#7 of 16

Stasher Platinum Silicone Reusable Storage Bag (Sandwich, Clear)

Key Specs

Price

$11.99 USD

Container Material

Platinum Silicone

Lid Material

Silicone

Max Oven Temperature

425°F

Stasher

Stasher Platinum Silicone Reusable Storage Bag (Sandwich, Clear)

#7 of 16 food storage containers tested

7.7R3 Score / 10

RecommendedGood, with trade-offs worth knowing.

Safety

7.894% weight

Efficacy

7.36% weight

Usability

7.71% weight

The bottom line

What the product listing won't tell you

Know before you buy

This is a flexible silicone bag, not a rigid container — it cannot stack, is awkward to fill with liquids, and the Pinch-Loc seal takes practice to master. If you expect traditional container functionality, this is a different product category.

Buy it if

You want to eliminate single-use plastic bags and need a reusable silicone alternative

$11.99

Buy on Amazon

We may earn a commission. It doesn't affect our scores.

You care about having zero plastic contact with your food — platinum silicone is FDA and LFGB certified

You want a container that goes from freezer to oven to dishwasher in one piece

You value the lifetime warranty that covers the entire unibody bag

Skip if

You need rigid, stackable containers for organized meal prep
You want to store liquids — the flexible walls and Pinch-Loc seal can be awkward to fill and may leak under pressure
You prefer traditional container shapes for refrigerator organization

What's inside

Specs the product listing doesn't explain

Safety & Materials

What your food and family come into contact with every use

Container MaterialPlatinum Silicone

Lid MaterialSilicone

Dishwasher SafeYes

BPA-FreeYes

Efficacy

What determines how well this performs its core job

Max Oven Temperature425°F

Usability

Ease of use, maintenance, and longevity

Price$11.99 USD

Seal TypeSnap Seal

Price Per Piece$11.99 USD

How we scored it

3 criteria - open any layer to see exactly what we found

7.8

Safety

Mixed

7.3

Efficacy

Good

7.7

Usability

Below Average

Material SafetyCritical

94%

6.1▾

R3 Verdict

Platinum-cured silicone is inherently one of the safest food-contact materials — FDA and LFGB certified, free of BPA, BPS, phthalates, and PFAS by material nature. The lower score reflects a rubric limitation: platinum silicone is not listed in the standard container material lookup, so it doesn't receive the score its material safety profile deserves.

Criteria

Container Body Material

1/10

Platinum-cured silicone is FDA and LFGB certified for food contact — no chemicals leach into food at any normal temperature. The material doesn't fit the rubric's standard glass/plastic categories, which affects the score.

Lid Material

10/10

The seal is integral platinum silicone — the same clean material as the bag body. No separate plastic lid component.

BPA-Free

Functional PerformanceImportant

8.6▾

R3 Verdict

Oven-safe to 425°F and the Pinch-Loc snap seal provides positive engagement that resists leaking in most normal use. Consumer Reports found silicone bag seals can leak under pressure — these are better for solid foods and light liquids than full soups.

Criteria

Oven-Safe Maximum Temperature

10/10

Oven-safe to 425°F — versatile enough for most reheating and light cooking directly in the bag.

Daily UsabilityNice to have

7.0▾

R3 Verdict

The unibody silicone design means everything is dishwasher safe in one piece — no disassembly needed. The trade-offs: flexible bags cannot stack like rigid containers, the Pinch-Loc seal requires a learning curve, and filling with liquids requires two hands to hold the bag open.

Criteria

Dishwasher Safe

10/10

Where to buy

Verified retailer - current pricing

Starting price

$11.99

R3 approved retailer Score unaffected by purchase

Buy on Amazon

We earn a small commission on purchases. It never influences our scores - R3 is funded by readers, not brands.

Other Options to Consider

Alternatives that address specific trade-offs

Why this matters: Platinum-cured silicone is inherently one of the safest food-contact materials — FDA and LFGB certified, free of BPA, BPS, phthalates, and PFAS by mat

Safer materials

Caraway 14-Piece Glass Food Storage Container Set

Caraway

9.7$145

Scores 10.0/10 on material safety vs 6.1 here

Safer materials

Glasslock Premium 8-Cup/63oz Glass Food Storage Containers (2-Pack)

Glasslock

8.4$45

Scores 8.3/10 on material safety vs 6.1 here

Safer materials

Glasslock 18-Piece Assorted Oven Safe Container Set

Glasslock

8.1$40

Scores 8.0/10 on material safety vs 6.1 here

Safer materials

Pyrex Simply Store 12-Pack Glass Food Storage Containers Set

Pyrex

7.9$28

Scores 8.0/10 on material safety vs 6.1 here

Didn't find the food storage container you need?

See all food storage containers we reviewed

Create a free account to see alternative recommendations

#7 of 16 food storage containers reviewed

Inherently BPA-free — platinum silicone contains no bisphenol compounds by material nature.

PFAS-Free Lid Seal

5/10

Stasher has not published a formal PFAS-free claim, though platinum silicone contains no fluoropolymers by material composition.

Seal Type

8/10

The patented Pinch-Loc seal provides positive snap engagement — leak-resistant for most uses, though Consumer Reports found silicone bag seals can leak under firm pressure.

The entire bag goes in the dishwasher as one piece — no disassembly, no separate lid to clean.

Lid Mechanism Ease

5/10

The Pinch-Loc seal requires a deliberate two-finger pinch — easy once you learn the technique but not as intuitive as snapping a rigid lid.

Stackable Design

1/10

Flexible silicone bags cannot stack rigidly like glass or plastic containers — they collapse when empty and don't hold shape when stored.