Features: UNIVERSAL BITE VALVES. These bite valve replacement mouthpieces fit most brands of hydration bladders, outdoor water reservoirs, and similar products. ONE-PIECE DESIGN. Constructed with a solid one-piece structure for reliable sealing, preventing water leakage and allowing worry-free use during outdoor sports activities. QUALITY MATERIAL. Made from high-quality silicone that is nontoxic and safe for use. Easy to clean and maintain. No need to replace the entire hydration bladder if the accessory becomes damaged. EASY TO REPLACE. Features a 90-degree angled design for convenient drinking during activities such as biking, hiking, and climbing. ON-OFF CONTROL. Each mouthpiece includes an on-off valve mechanism for easy opening and closing, helping to prevent leakage. Specifications: Material: Silicone Type: Bended Mouthpiece; Straight-in Mouthpiece 90-Degree Bended Size: Approx. 5.4x4.3cm / 2.13x1.69in Straight-in Size: Approx. 6.8x2cm / 2.68x0.79in Color: As shown in picture Weight: Approx. 8-9g Note: 1. Please allow 0-1cm error due to manual measurement. Ensure you are comfortable with this tolerance before purchasing. 2. Due to differences in monitor displays, the picture may not accurately reflect the actual color of the item. Package includes: 1 Piece Hydration Bladder Mouthpiece