Stasher™ Silicone Reusable Stand-Up, Mid 1/2 gallon, Quart, 2 Cup Bowl and 1 Cup Bowl Stasher bowls are easy to pack, safe to heat, and simple to clean. Deep, standing bags for even more storage The patented Pinch-Loc® seal makes it a reliable anti-leak option One-piece, seam-free design is made from food-grade platinum silicone — which means it’s durable, long-lasting, and lightweight 🍎🍏 Stasher are endlessly reusable, food-grade platinum silicone no BPA, BPS, lead, latex, or phthalates leak free patented Pinch-Loc™ seal dishwasher, microwave, and oven safe up to 425ºF label with any non-toxic dry erase or chalk marker