Product Description

1. 8``/20cm oversized clear cylinder with 3pcs interchangeable sleeves.

2. Hi-tech pump creates a superb vacuum seal quickly and effortlessly.

3. Includes precise measurement system on cylinder.

4. Superior bulb with quick release valve.

5. Silicone(sleeve)  ABS(cylinder) PVC(hose and shank)

recently we advanced the slleve from TPR to Silicone， the sleeve will be  white silicone ring

6. We have 2 kind of box， inner product is same，