Product image via stasherbag.com
Stasher Sandwich Bag
The first Stasher to buy if you are testing the format.
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The rating, unpacked
Our overall rating is the weighted average of these sub-scores. Category-specific criteria appear alongside the universal ones — no black boxes.
The wider verdict
Lightly evidenced: 2 pieces of evidence behind our score for this product.
We publish the receipts rather than asking you to trust a score. Here's exactly what our score for this product rests on.
This is a thinner evidence base than we'd like. Treat it as a starting point — we'll update it as more testing and independent coverage lands.
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Pros
- Perfect single-lunch size
- Κατάλληλο για πλυντήριο πιάτων
- Freezer to microwave
Cons
- Silicone not kerbside recyclable
- Slight tomato/turmeric staining
Full specs
- Best for
- School lunches, work sandwiches, snacks in bags.
- Material
- Platinum silicone
- Capacity
- 450 ml
- Weight
- 90 g
- Insulated
- Leakproof
- Dishwasher safe
- BPA-free
- Recyclable
- Country of origin
- China
- Warranty
- Lifetime
- Certifications
- FDA food-safe, LFGB
How we scored it
Our overall rating blends five weighted factors — materials & construction, everyday usability, durability & longevity, sustainability credentials, and value for money — with small category-specific tweaks (insulation performance for drinkware, grip and cushion for yoga, seal integrity for food storage). The sub-scores above are the rating; we then cross-check it against independent reviews from outlets like Wirecutter, The Guardian and Choice. If a spec, price, or long-term report changes, we update the record and re-score.