This cup sleeve made of synthetic rubber foam is suitable for 40oz Tumbler. The high-quality fabric can protect the cup well. It has fine workmanship and fine stitching. It is shockproof and waterproof. The reliable material provides you with a long service life and comes with a durable Adjustable length straps are practical tools to keep in car, office shop, meeting room, home, restaurant, hotel and so on.Can customized your one color or full color logo imprinted.