The Vacuum Enlarge Male is developed as per the evolutionism theory featuring "those organs which are used would evolve while those not used would degenerate". Within a couple of minutes only, the cup is able to help the users penis erect fully, enlarge the penis size, lengthen the sexual intercourse time, and bring forth a pleasant sex experience between husband and wife. Item No. Vacuum Cupping Connector Adhesive Cover User Qty/Ctn. Gun Manual ML-1 1 12 3 L1/M1/S1 1 12 ML-2 1 1 2 L1/M1/S1 1 40