Premium Quality: This 100% brand new scuba mouthpiece is made of good quality silicone material, which is soft, non-toxic, solid and durable. It is not easily damaged, has reliable quality and long service life. Excellent Performance: The scuba diving mouth piece adopts excellent manufacturing and ergonomic design, which is comfortable and easy to bite. Size (length*width): approx. 5.8*5 cm/ 2.28*1.97 inch; nozzle size (length*width): approx, 3.5*2.3 cm/ 1.38*0.91inch. Great Accessory: The scuba mouthpiece is suitable for deep sea diving air bottles mouthpiece interface can also be connected with respirator, which is an ideal accessroy for scuba diving. Easy to Operate: The diving mouthpiece is lightweight and portable, and it is easy to install, which is a direct replacement for your old or broken one and suitable for most normal diving snorkels and regulators. Scuba Mouthpiece, Silicone Scuba Regulator Mouthpiece Scuba Diving Mouth Piece Diving Equipment Accessory for Most Normal Diving Snorkels & Regulators Made of good quality silicone material, soft, non-toxic, solid and durable. Ergonomic design, comfortable and easy to bite. Mouthpiece for the replacement of the old one. Suitable for most normal diving snorkels and regulators. Lightweight and portable. Essential diving accessories. Suitable for deep sea diving air bottles mouthpiece interface can also be connected with respirator. Specifications: Material: Silicone Color: Black Size (Length*Width): Approx. 5.8*5 cm/ 2.28*1.97 inch Nozzle Size (Length*Width): Approx, 3.5*2.3 cm/ 1.38*0.91 inch Packing List: 1 * Scuba Mouthpiece