VERSITILE & FOOD SAFE - Use it on fruit, cans, jars, bowls, etc. Fits mainly round shapes, but can also fit other shapes. Produces an air-tight seal to keep your food fresh longer! Great when juicing for example. Made of 100% Food Grade Silicone, BPA Free, FDA (USA), LFGB (German) and SGS (Australian) approved materials. Rated -40F / -40C to 446F / 230C.