Apollo Replacement Sleeve Alpha Sleeve 1 Gender Neutral. Fits Alpha Stroker or for independent stroking action. Soft, tight and stretchy. Closed end for superior suction. Textured chamber for added sensations. Maintenance free. Safe and pure for body and pleasure made using phthalate free materials Thermoplastic Rubber TPR. Bulk weight 14.2 ounces. 7.5 inches by 4 inches. Apollo Alpha Masturbation Case not included. Sold separately.