Come on, let me grab your butt, let's see it! They are easy to use because they are not too bulky, but just bulky enough, stretchy and with 2 natural looking openings. Made of TPR very similar to human skin, it measures 7" (17cm) x 6" (15cm) with the softness of the softest skin. Odorless and weighing 828 grams, they make you feel like you are playing with reality. The vaginal and rectal openings are both tight and expandable to accept any size penis, absolutely any size.