This hands-free water bottle sling is just right for: Long walks, hiking, biking, and traveling while staying hydrated,Carrying your phone, keys, cards, and more daily essentials. Fits up to 32 oz. bottle. Lining & top closure made from recycled plastic bottles (aka REPREVE(R))100% vegan. Storage: Interior air mesh slip pocket Front slip pocket AirPods slip pocket Design & Details: Elastic key leash Elastic drawstring top closure Adjustable & detachable shoulder strap