Description: 2 Pieces technical scuba diving BCD backpack snorkel keeper elastic rubber loop Used for securing dive snorkel or other purposes Easy and convenient to use Strong stretchable, lightweight, corrosion-resistant, wear-resistant, durable and portable Great spare replacement gear accessories for scuba diving, snorkeling Specification: Diameter: Approx. 40 mm/1.57 inch Width: Approx. 12 mm/0.47 inch Color: Black Quantity: 2 Pieces Package Includes: 2 Pieces Snorkel Keeper Rubber Loop Note: Only the rubber loop, other accessories are not included. Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!