S301 – The Hump inflatable air channel pillow is a first. Made of soft pool inner tube type plastic, easily inflates in just a few minutes. Prop your partner into many new positions for great new sex and fun and renew that energy to your relationship! Easily washed in warm water, deflate and store in your very own small plastic carry pouch for easy storage or easy travel! There is no difference between the male/male and the male female pillow except the picture that faces outward.