The Spread 'Em Poker Vagina Clamp allows you to defiantly spread your labia. The clamp is made of durable nickelfree stainless steel. On the top and bottom are two clamping screws that you can turn to close or open the clamp. You can use any kind of lubricant. Clean after use with toy cleaner and lukewarm water. This clamp is also perfect for temperature play. Length of opening: 8.89 cmDiameter: 2.7 cm Each side of the clamp opens to 1.5 cm wide