Come and see our amazing products. This Cup Sleeve is made of silicone, good thermal insulation effect (cool / hot) .The silicone material is anti-slip and anti-wear, good thermal insulation to avoid your hand scald ,size can be customized It's a wonderful promotional gift with a large blank location for you to emboss your logo or slogan. Pls confirm with us about the packing info, stock color and exact production time before placing your order