XS Scuba's Snorkel Keepers come in a variety of types designed for several of their Snorkel Models. If you have the Cargo Snorkel (SKU: XSSSCBS) you need a Special Keeper that Prevents the snorkel from unrolling when you stow it in your BCD Pocket. If you have the Viper Snorkel (SKU: XSSSV) you want the Keeper with the Unique Quick-Release Feature and if you have the Flo or Goby Snorkels (SKU's: XSSFS or XSSSGD) you need a more standard simple Snorkel Keeper. Whichever one you require XS Scuba's Snorkel Keepers are made from Durable Impact Resistant Plastic and can fit other brand snorkels as well. Snorkel Keepers make a great Save-a-Dive Kit items.