FITS STANDARD Size CAN / BOTTLEMedium size with center holder 2.75 in width fits for Standard cans / bottles with different heights. FLOATING DRINK HOLDERSFloating Drink Holders. Perfect for the Swimming Pool, Beach, Lake, River, or even Hot tub and SPA. Safely leave your drinks and beverages floating nearby while you go for a swim. KEEP DRINKS ON POOL UPRIGHTThe floating drink coasters can keep your coke, beer, fruit juice floating on the pool and can be also as decorations. TWO HEIGTHS OPTIONS DESIGNUnique design that the center holder can be folded up and down for holding cans or bottles in different heights. Each with built-in rope holder for tying to pool float, swim float, floating chair, floating lounger. floating bed. HANDS FREE Constructed to be hands-free, floating with drink holders has never been easier or more fun. You can even clip the floating cooler to your wrist or swim suit you deserves to bob