Description: Center mount snorkel allows you to relax in the water when you focus on breathing and underwater stroke Special tube design for reducing water resistance Patent design of back exhaust bubbles, not affect the line of sight and no residual water Food grade silicone mouthpiece, colorless and tasteless, safety and health Adjustable silicone strap, fits different size of head, both adolescents and adults Specification: Tube Material: ABS Housing Material: PC + TPR Mouthpiece Material: Food Grade Silicone Head Strap Material: Silicone Breath Tube Length: Approx. 39cm / 15.35inch Breath Tube Diameter: Approx. 2cm / 0.79inch Color: Pink / Dark Blue Package Includes: 2 Piece Center Snorkel 2 Piece Holder 2 Piece Mouthpiece Note: Due to the differences between different monitors, the picture may not reflect the actual color. There is 2-3% difference according to manual measurement, please check the size carefully before you buy the item. Thanks!