Eco-Friendly, Reusable and Recyclable. Withstands Extreme Temperatures (Heat & Cold). Microwave, Dishwasher & Refrigerator Safe. FDA & SGS Approved Food Grade Silicone. 100% Leakproof. WHY REUSABLE SILICONE BAG? Cooking bag for any boil-in-the-bag products & precision sous video cooker, microwave, steamer. Thick silicone doesn’t break with heavy daily use. Soft & foldable can be stored flat in drawers. Easy to fill through the wide opening as it stands on the flat bottom. Use volume markings & the max line to mix the ingredients Label with dry erase markers. Dishwasher clean. Product Specification: Product - Silicon Bag Color - Assorted(Sky Blue | Green | Pink | Transparent) Material - Food-grade silicone Size: 17 x 20 x 2 cm. Resistant temperature:-50℃~+250℃