Material and comfort Made of soft silicone material, providing a comfortable fit and easy handling during use Storage and compatibility Includes a silicone storage case that easily attaches to most standard snorkels or goggles Portability and convenience Flexible silicone vent tube rolls quickly into the included storage box for easy transport and storage Performance and design Large diameter tube and ergonomic mouthpiece make it more absorbent Use scenario snorkeling trips Attach the storage case to your snorkel or goggles for quick access and secure carry, while the vent tube folds neatly into the box for travel Use scenario travel and compact gear packing Roll the vent tube into the storage box to save space in your bag and keep your equipment organized on the go Use scenario training and extended sessions The large diameter tube and ergonomic mouthpiece support longer use with comfortable handling during drills or practice sessions