Treeze Wood Large Bubble Plug wood/urethane hybrid material creates an ultra smooth, nonporous, phthalates free surface that is lubricant friendly and is waterproof. Because the fibers of the wood are saturated with urethane resin and are cured under pressure and at high temperature, you can rest assured that there will be no splintering.The 1″” diameter plug features a 1 1/2″” diameter maximum width and a bubble that measures around 1 1/4″” with an approximate 5″” total length. Treeze from Don Wands are proudly manufactured in the U.S.A.Treeze Wood Pleasure Wands include a sample pack of WET(R) Platinum Lubricant and a tan padded pouch for safe storage.