Description This is a set of snorkel keepers, which are made of good material, durable for long lasting use. These snorkel keepers are convenient to assemble and remove. Features lightweight, they are convenient and portable to carry with you. Suitable for oval tube, ventilation tubes, will not take you too much time to complete the installation. Features -Color:Black -Material:Silicone, ABS -Size:10.00X3.50X0.50cm/3.93X1.38X0.20in(double-ring buckles) -Size:4.00X3.50X2.00cm/1.57X1.38X0.79in(automatic buckles) -Durable Use: Manufactured withsilicone and ABSmaterials, durable and practical enough to use -Easy To Use: Quick installation to save installation time convenient and fast, saving time and effort -Convenient: Snorkelkeepercan be easily connected to the breathing tube to the strap or you can separate the breathing tube from the strap -Wide Application: Suitable for oval tube, ventilation tubes, will not take you too much time to complete the installation -Excellent Workmanship: The workmanship of this buckle kit is good, and you will have a good experience in using it Package list: 1 x Double-Ring Buckle 1 x Automatic Buckle