100% Polyester. Soft polyester feels like a real scarf - Available in 4 color choices. Festive fall colors. 2 Piece set includes scarf for bottle and cap for top. Open up the button or simply slip on your bottle -Will work on all beer, wine and soda bottles. There's nothing worse than forgetting which drink was yours! With this cute and affordable set, you can know for sure which one is yours because you can be sure everyone else won't have one of these. Functional and festive, these were made with fall in mind. Football, Halloween, Thanksgiving, Oktoberfest and more! This is a really neat low cost way to impress your friends and keep tabs on your beverage of choice.