Neoprene cover for your silicone mask strap. This ones are not printed so you can add your favourite print yourself. 

Soft Neoprene Maskstrap Cover. It offers comfort and helps to hold the mask strap. The Maskstrap Cover is constructed of the finest materials with Glued, Taped and Sewn Edges for Strength and Durability.
As this ones are not printed you may add print yourself like your name or a dive centers/resorts logo to make it a nice souvenir from your dive destination.
Available in 7 different colour combinations.
Price: Php 295.00, volume discount available for Dive Centers and Resorts.