These reusable wraps are made from food-grade silicone, and are dishwasher, microwave, fridge and freezer safe. FDA and LFGB approved silicone. They are stretchable, so can fit any shape of bowl, and form a tight seal.  Will form a seal on any smooth surface.

Working temperature range of -40C to 230C.

After each use, clean lids with soap and hot water or put in the top shelf of the dishwasher. Avoid abrasive cleaners.

Each pack contains 6 sizes:

21cm, 16.5cm, 14.5cm, 11.5cm, 9.5cm and 6.5cm diameter

Reusable cotton mesh bag included.