Made of silicone - reusable and durable, measures 1" H x 3 1/4" D, comes in several fantastic colors, and is an attachable, mobile item that actually keeps you and your surfaces dry. One size fits most bottles, cups, and glasses. Easy installation - Just PUSH in and TWIST your cup down into the Barnacle to secure it in place. Empty any collected contents between each beverage/refill. Complies with Prop 65. 1" H x 3 1/4" Diameter
