Fits 32 oz & 40 oz Wide Mouth Bottles Coated, rigid fabric keeps bottle upright Adjustable, removeable Sliplok shoulder strap Flat-back design keeps sling snug with no wobbling or rolling. Pocket for quick storage Molle clips to attach to Day Escape bags Welded webbing and attachment mounts for extra durability Take your Hydro Flask bottle with you, but keep both hands free. A clever stretch pocket holds keys or essentials, and specialized clips sync onto our Day Escape Soft Coolers, making it easy to pack in and out.