Tenga 3D Series Zen size 1.89 inches in deep by 1.89 inches in width by 4.57 inches in height. Insertion length stretches to approximately 9.80 inches, insertion width stretches to approximately 3.15 inches. Weight 0.61 pound. Other specifications reusable, stretchable material, sample lubricant included. Materials tray and stand ABS plastic. Internal sleeve Silver Ag Antibacterial Elastomer.