This Kemp USA Hip Pack is made of durable tear-resistant nylon construction. It includes a heavy duty adjustable 45" waist strap and comes filled with a Lifeguard Essentials Supply Pack, which includes: (1) Kemp USA CPR Mask, (1) Foil Mylar Blanket, (1) Bengal 60 Whistle, (1) Break-a-way Safety Lanyard, (1) Pair Gloves