1.Details: 1) Material: 100% food grade silicone 2) The materials has reached ROHS standard and has passed FDA test 2. Function: It is used as heat insulation for cup, bowl and any other container so that it won’t hurt your hands, and they are widely used as household, promotional gifts, garment accessories, etc 3. Features: 1) Made of environmental silicone, no harm to human body 2) Standing temperature: -40℃ to 260℃ 3) Non-stick finish, and it’s safe for food and dishwasher, microwave, oven and freezer 4.Remarks: 1) Various shape&color&size are available. 2) Can imprint/emboss/deboss various logo 3) Can make according to buyer's needs&design