Tupperware Snack and Store Container for Cookies and More Tupperware Prep Essentials Snack-Stor Container Virtually airtight seal not only keeps everything fresh, it allows for stacking of other storage products on top without damaging the container's contents. 9 x 9 x 3"/24.3 x 24.3 x 7.7 cm. Dishwasher safe. Tupperware is coved by a lifetime warranty against chipping, cracking, breaking, or peeling.