Say good bye to floppy and single-use plastic bags. Introducing the first sandwich bag that stands up, stays open and zips shut. Perfect for snacks and lunches at work, school or take a long on a picnic. Incredibly versitile, Zip Top containers can be use for food prep, cooking, lunches, left overs, snacks on the go, travel, food storage, crafting and just about anything that needs storing! Better for the Planet - Zip Top was designed with the environment in mind. One Zip Top can replace 5000+ disposable bags. Made with 100% platinum silicone Free of BPA, lead, PVC, and phthalates Plastic free Food Grade Dishwasher, Microwave and Freezer safe