100% Brand New Material: PVC Color: as shown Size: 14 * 17 * 7 cm (approx) Application: fitness Description: Bite the mouth to use safe and comfortable PE material, combined with ergonomic design. Pipeline bending resistance, not affected by the patient& 39;s posture, easy to clean, durable. The bottom filter screen can effectively prevent cross-infection and keep the sphere clean and hygienic. Bright color sphere, integrate into color psychology, inspire patient training. Convenient double-card connector design, tight connection is not easy to fall off. The main body is thickened and reinforced, forming in one, durable and anti-falling. Package: 1 pc x Breathing r 1 pc x Serpentine tube 1 pc x Mouthpiece 1 pc x User manual Note: 1. Due to the light and screen difference, the item& 39;s color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.