Unisex, ideal for anal and vaginal penetration. Rounded cup base round to prevent further unnecessary insertion. From the neck to the base, this toy is ridged and spun in hypnotic wave-like ribbons that stimulate erogenous zones with 360 degrees perfection. It's a treat for the eyes and orgasmic to the senses. Give it a turn, if you like, to make the texture seek out even more nerve-endings that might have been forgotten. Safe and simple, yet deliciously intense, this is a practical toy that will always leave you satisfied. Borosilicate glass is one of the safest materials. Extremely resistant to breaking, dishwasher safe and compatible with any lubricant. You can freeze or boil the toy to then use in temperature play! Non-porous, hypoallergenic, phthalate & latex free.- Combine with any type of lubricants- wash off with soap and water- Materials: High quality Borosilicate Pyrex type glass - See through- Shape: Spiral - Size: 20 x Ø 2.3 cm- Weight: 145 g