Transparent penis pump With an easy-grip handle Safety valve Powerful suction With very strong suction! Transparent penis pump with an easy-grip handle and safety valve. This model stands out because of its very strong suction. For men who want effective potency training. With pleasant sucking stimulation – like during a blowjob. The user can also watch their penis grow because the pump is transparent. Complete length 26 cm, insertion depth 20.5 cm, width 6.5 cm. Acrylic, ABS, TPR.