Stasher Silicone Storage Bags are endlessly reusable and radically functional. Available in three sizes, the Stand-Up Bag makes filling, storing, and organizing a breeze. 100% plastic free platinum silicone is uniquely designed to be oven strong, microwave & dishwasher safe, and freezer friendly. The patented Pinch-Loc seal offers spill proof technology. Store what matters, while protecting the planet.