Save A Dive Spares Kit ~ Canister that is Full of Useful Spare Parts! Beaver Sports Save a Dive Spares Kit. All those vital items to help ensure you won't miss a dive when something breaks as you are kitting up. Supplied in a protective plastic watertight container. Contents:- 1 Rubber Fin Strap 1 Silicone Mask Strap 1 Plastic Snorkel Holder 2 O Rings 1 Silicone Mouthpiece 2 Spare Mask Strap Pins 2 Tie Wraps.