Tenga Easy Beat Egg from Japan. Disposable masturbation sleeve comes in a variety of textures. Size 1.93 inches in depth by 1.93 in width by 2.40 inches in height. Insertion length stretches to approximately 7.80 inches, insertion width stretches to approximately 2.40 inches. Materials: casing polypropylene PP, sleeve Thermoplastic Elastomer TPE.