Briefs with a movable plush penis (pneumatic) "Secret" pump ball for making the penis stiff Cheeky fun gift for a partner, great for parties and hen/stag parties Unisex/One size Plush penis with power! The black penis briefs have an eye-catching plush penis that can be made stiff in the blink of an eye (pneumatic) – the "secret" pump ball just needs to be squeezed! One size. The briefs are a cheeky eye-catcher and great as a joke present for a partner, for carnival/Mardi Gras, parties, hen/stag parties, etc. Hand wash only. Unisex/One size. 100% polyester