These egg shaped elastomer sleeves are wonderful to use by yourself or with apartner. All of the eggs come with asmall package of lube to enhance your experience. No matter what size,these eggs can accommodate. Their super stretchy elastomer expands drastically to a snug fit. A surprise to open and always a pleasure to use, the twister’s potential can be maximized by twisting as you pull down. The spirals will glide over you with ease and diligence, resulting in your ultimate pleasure.