Blow up that booty hole with a pumping accessory that penetrates you with a smooth, bulbed rod. Just insert with any lubricant of your choosing, attach your compatible hose and pump, and begin squeezing to build pressure in the cylinder. Your anus will be sucked in, puckering out like a blooming rosebud The ribbed textures that continue down the length of the rod will add additional stimulation as you increase the size and sensitivity of your butthole. This phthalate-free material is non-porous, durable, and cleans thoroughly with mild soap and warm water. Measurements: Cylinder depth is 3.25 inches, inner diameter is 2.6 inches. Rod is 6.75 inches in total length, 3.5 inches insertable, 1.2 inches at widest diameter. Material: Acrylic. Color: Clear. Note: Compatible with pumps that use the same lock-in connector system, not included. Free collector print and exclusive dog tag included.