The pink Double G is made of smooth, hypo-allergenic glass, in a cheerful translucent rose pink shade. The gentle S shape has two specific textures, nubbed and spiral wrap. The glass is perfectly smooth and needs only a little lube. It's also fabulous for temperature play as it will conduct and hold heat and cold very well. However, don't go from extreme heat to cold or you risk shocking the glass and damaging the toy. Glass is also VERY rigid, it has NO GIVE, it doesn't know the meaning of squish! So as such, play nice to avoid injury.