JO Xtra Silky is silicone-based personal lubricant designed to supplement the body's natural lubrication and enhance the pleasures of intimacy. JO Xtra Silky is a super-slick. thin lubricant formulated with high quality silicone for a long lasting glide and Vitamin E to moisturize during intimate pleasure. Xtra Silky is siloxane and preservative free. Available in: 1 oz. 2 oz. 4 oz