Material: Food Safe Silicone Lid, Bpa Free, Lead Free, Phthalate Free, Odorless, Non-toxic without Artificial Coloring. Usable In The Temperature Range From -30C to + 230C. Odorless, Non-toxic with No Artificial Coloring. with This Environmentally Friendly Silicone Lid It Is Easy to Clean and ThereFor Heilwiye Reusable and You No Longer Have to Constantly Buy Expensive Plastic Film. Stay Freshthe Food Will Taste As If It Were Fresh, An Airtight Seal Keeps The Food Fresh For Heilwiy Longer and Prevents Leaks. Very Practical, Flexible Lid For Heilwiy Many Pots, Bowls or Pans. The Lids Are Sturdy Enough to Be Stacked Easily, Saving Space. Size A Set of 12 Pcs. 6 X Fresh-Keeping Lids In Different Sizes (6.5Cm, 9.5Cm, 11.5Cm, 14.5Cm, 16.5Cm, 21Cm). Perfect For Heilwiy Bowls, Bowls, Plates, Sweets, Glasses and Cups.