This coffee cup sleeve is reusable and can replace paper cup sleeves and napkins that help you save time and energy; What's more, these cup insulated sleeves are easy to wash, and you can put them in a ventilated or sunny place to let them dry quickly"Quality material: our coffee insulator sleeve is made of quality neoprene material, soft and reliable, reusable and washable, and the suture line is firm, can withstand stretching and folding, you can apply them for a long time.