The Hyperlift pump offers you ample possibilities to grow. The smooth insertion sleeve allows for a comfortable experience. Surprise yourself each time with how big you can get! At the touch of a button, the powerful pump creates a strong vacuum, helping you achieve a quick and powerful erection. Product dimensions: 12.17" x 3.27" x 3.27" Product weight: 21.13 oz Product volume: 2128 ml Product diameter: 3.27" Inner diameter: 3.07" Insertable length: 8.66".