Pump Worx Penis Head Enlarger. Get incredible sucking sensations where you want them most and watch your cock grow bigger and thicker than ever before! By applying direct vacuum suction on the most sensitive area of your cock, the Penis Head Enlarger feels just like a real blowjob, only better! The tight PVC sleeve wraps tight around your head and clings to your shaft, creating a super-strong vacuum that produces maximum results. With each squeeze of the medical-style pump ball, the head teaser creates suction and delivers rock-hard erections that last and last. To prolong ejaculation, slide the included enhancement ring over your shaft until it is nice and snug. The tight squeeze will prolong cumming, help maintain your erection, and extend the fun. When you are done, simply detach the cylinder from the vacuum hose and restore it to like new quality with Pump Worx Toy Cleaner and warm water. Item Bulk Dimensions Length 4.33 inches (110 mm) Width 2.67 inches (68 mm) Height 2.67 inches (68 mm) Inner Diameter2.46 inches (62 mm) Outer Diameter 2.67 inches (68 mm). Insertable Length 4.13 inches (105 mm). Package Dimensions Depth 3.25 inches (8 cm) Package Width 5 inches (13 cm) Package Height 9.5 inches (24 cm). Packaged Weight 9.70 ounces (275 grams). Package type Box. Features and functions:Lube Included, Toy Cleaner Included, Sucks and Pumps. Materials ABS Plastic, Acrylic, Thermoplastic Rubber TPR. Country of origin China. Pipedream Products Catalogs featured in 2011 Pump Worx page 9 and 2012 Pump Worx page 13.