Our Neoprene Water Bottle Koozie - Retro Red fits up to 16 oz. water bottles, and stretches to fit snug. Keeps your water cool, 'cause nobody likes a hot water bottle. Comfortable handle made from 1" webbing strap makes your water bottle feel like a super lightweight, super refreshing mug of watery goodness. Snap hook on top of handle strap allows you to attach your koozie easily to the outside of your SUP deck bag.