SeaLife Sea Dragon Universal Flash Swimming Caps and a serrated edge on

and a serrated edge on top -- best for sawing through rope

3-D Anatomical Strap

Helps keep your mask clean and clear

There is a little loop on the bottom front side of the top so you can tie the knot on your boardshorts

and a rear zipper

SeaLife Sea Dragon Universal Flash Swimming Caps and a serrated edge onThe Sea Dragon universal underwater flash strobe works with all SeaLife DC Series and other cameras with a built in Flash. The Flash offers both automatic and variable power adjustments with an effective UW distance range up to 8feet 2. 5m. The Auto Learn Mode easily syncs your cameras pre flash for easy set up and use with your camera. For best results, we recommend rechargeable Panasonic Eneloop Pro 2550mAh Ni MH batteries (4 not included). The Sea