SMARTAKE Slow Cooker Liners Review — 13x21 Disposable

Intro

If you use a slow cooker a lot, liners can feel like tiny miracles: no scrubbing, fewer stuck-on drips, and quicker turnover between meals. SMARTAKE’s Slow Cooker Liners come in a 20-pack of 13 x 21-inch bags that the listing says fit most 3- to 8-quart round and oval/rectangular slow cookers. The listing describes them as a nylon blend that’s "BPA-free," heat-resistant to 390°F, and microwave-safe. Owner feedback is mostly positive about convenience and durability, but there are a few reports of liquid seepage in specific setups. This review walks through what to expect in everyday use, the material claims versus lived experience, safety angles to watch, and which kitchens and cooks are likely to get the most value.

What it is / first look

SMARTAKE Slow Cooker Liners ship as a pack of 20 disposable liners sized at 13 x 21 inches and listed as suitable for slow cookers from 3 to 8 quarts. The listing states the liners are a "nylon blend" and describes them as "high-strength" and "BPA-free." The manufacturer also says they are heat-resistant up to 390°F, microwave-safe, and stack for single-handed access.

Out of the box you get 20 liners (the listing calls them "slow cooker liners" and includes that in the included components). The product is listed in a clear color on the product page; images appear to show transparent bags, and the listing's color field is "Clear." Owners report keeping a liner stored inside the crockpot so they don’t forget to use one — a small workflow hack that speaks to how these are used in real kitchens.

Quick specs recap (from the listing)

• Pack count: 20 liners
• Size: 13 x 21 inches
• Fits: 3 to 8-quart slow cookers (round, oval, rectangular shapes listed)
• Material listed: Nylon Blend
• Manufacturer claims: BPA-free, heat-resistant to 390°F, microwave-safe
• Color listed: Clear

In daily use

These liners are aimed at the everyday slow cooker user who cares more about speed and cleanup than reducing a little waste. The recurring owner theme is convenience: users repeatedly say the liners cut cleanup time dramatically and keep the pot looking spotless.

Meal prep and weekday dinners

For weekday cooks who batch-cook soups, stews, chilis, pulled pork, or braises, the big selling point is that liners let you toss the bag and skip scrubbing the ceramic insert. Owners describe storing a liner in the crockpot between uses as a reminder to use one — that behavior is common enough to call out because it reduces the chance you’ll run a cook without one and then face cleanup.

Entertaining and larger cooks

The listing states the liners are sized to handle 3–8 qt slow cookers, which covers a lot of party and potluck needs. Owners who used them in mid-sized (for example, 6-quart) pots report they fit well and did not rip while cooking. If you use a very large countertop roaster or a multi-crock buffet unit that’s bigger than 8 quarts, the listing indicates these bags are not designed for that capacity.

Microwave use and reheating

The listing specifically calls out that the liners can be used in the microwave. Owners don’t provide a lot of detail about microwave reheating with the liners in place, but the manufacturer claim covers that use case. As always, follow the manufacturer’s current instructions on the listing or product packaging.

Mixed reports on leakage and fit

Most owners praised the bags for holding up through a full slow-cook cycle. The internal notes include a small number of reports where liquids seeped through, and at least one buyer initially preferred a different brand because of that issue. In one of those mixed reports, the customer later replaced an old slow cooker, tried the liners again, and found they worked fine — the same owner also said the brand reached out and offered a refund when the reviewer reported a problem. That pattern suggests the failure mode is sometimes linked to a particular slow cooker or setup rather than a universal defect across all packs.

Materials & build quality

The listing lists the material as a "Nylon Blend" and calls the liners "high-strength" and "BPA-free." Those are manufacturer claims and, per the listing, are how the product is described. Owners echo that the bags feel sturdy and "are not thin and won’t rip while cooking." Multiple positive reviews emphasize that the liners make cleanup simpler without tearing during standard slow-cooker cooks.

On construction: the listing frames these as disposable single-use liners stacked for single-handed access. The 13 x 21-inch size is the stated dimension, and the pack count is 20 liners. These are presented as practical, throwaway accessories rather than reusable inserts or long-term liners.

What you’ll actually see in the package: clear, nylon-blend bags (listing color: Clear) stacked for easy removal. The manufacturer calls them "leak-resistant" in the bullet points; owners' experiences mostly back up that claim but not without exceptions — see the mixed reports above.

Safety considerations

Key safety claims from the listing: SMARTAKE describes the liners as "BPA-free," heat-resistant up to 390°F, and safe for microwave use. Those are listing/manufacturer statements and should be verified against the current product documentation if that’s important to you.

Owner feedback does not show any pattern of melting, burning, or coating flaking; the most safety-relevant complaint in the internal notes was liquid seepage reported by a few buyers. In one case, a buyer re-tried the liners after replacing an old slow cooker and found no problem, while also noting the brand reached out about the prior complaint. That suggests leaks, when they happen, may be tied to how the liner sits in particular models or to a specific machine’s rim/seal rather than to a known heat failure at the listed 390°F rating.

Practical safety checklist from the combined listing and owner signals:

• Confirm the 13 x 21-inch liner fits your slow cooker geometry — loose or folded bags can create channels for liquid to escape.
• Use within the manufacturer-stated temperature (the listing says 390°F). The listing also claims microwave-safe use.
• Owners report the bags are generally durable, but if you’re cooking heavy roasts that require sharp bones or frequent stirring, take care to avoid punctures.
• If you see leakage with multiple cooks, cross-check the pot rim and seating (one owner resolved the issue after changing to a newer slow cooker) and contact the manufacturer as some buyers reported an after-sale outreach/refund offer.

Who this is for / who should skip

These liners are best for home cooks who prioritize convenience and quick cleanup over avoiding single-use disposables. They fit a wide range of slow-cooker sizes (3–8 qt listed), so they’re useful for:

• Busy families or weekday meal-prep cooks who run the slow cooker multiple times per week and want to cut dishwashing time.
• Hosts who use medium-sized slow cookers for gatherings and want faster turnover between dishes.
• Seniors or people with limited mobility who benefit from less bending and scrubbing.
• Anyone who reheats food in the microwave and wants to transfer food straight from the bag (the listing claims microwave-safe).

Skip these if:

• You avoid single-use plastics — the product is sold as disposable liners and is intended for one-time use per the listing.
• Your slow cooker is larger than 8 quarts or has an unusual shape not compatible with a 13 x 21-inch bag (the listing specifies 3–8 quarts).
• You need a reusable liner or silicone insert rather than disposable bags.

Verdict

SMARTAKE’s Slow Cooker Liners are a straightforward, functional accessory for everyday slow-cooker cooking. The listing provides clear, practical specs — 20 liners, 13 x 21 inches, a nylon blend described as "BPA-free," and a heat rating of 390°F. Owner feedback tilts heavily positive around the central promise: these bags save cleanup time and generally hold up through normal slow-cook use, including in mid-sized (for example, 6-quart) pots. A small number of buyers reported liquid seepage, but at least one of those cases appears to have been tied to an old slow cooker rather than a universal product fault, and the brand reportedly reached out to offer a refund in that case.

If you prioritize convenience and your slow cooker size falls in the listed 3–8 quart range, these liners are a budget-friendly, practical option. If you’re trying to eliminate single-use items or run an oversized countertop roaster, these aren’t the right fit.

Check before you buy (quick checklist)

• Confirm your slow cooker is within the listed 3–8 quart range and that a 13 x 21-inch bag will sit flat without gaps.
• Verify the listing/manufacturer claims that matter to you (the page lists the material as a "Nylon Blend" and describes the liners as "BPA-free").
• Decide whether disposable liners fit your sustainability preferences — the product is sold as single-use disposable liners.
• Note the claimed heat tolerance (390°F) and the microwave-safe claim on the listing if you plan to reheat in-bag.
• If you have an older slow cooker and experience leakage, compare the fit and consider trying a liner in a different pot before concluding the product is defective — owner feedback includes an instance where replacing the slow cooker resolved the issue.

Colors

The product listing shows the liners as clear. Image filenames and the listing color field indicate transparency rather than an opaque colorway.

• Clear

Final notes

SMARTAKE Slow Cooker Liners are presented and sold as a practical convenience item: 20 clear nylon-blend liners sized 13 x 21 inches, intended for 3–8 qt slow cookers, with the manufacturer describing them as BPA-free, leak-resistant, microwave-safe, and heat-resistant to 390°F. Owners overwhelmingly report the liners make cleanup easier and that they hold up during normal cooking, though a few have reported seepage tied to specific slow-cooker setups. If fast cleanup is a priority and your cooker fits the listed dimensions, these liners are a solid, budget-friendly pick.