SoftTouch A Series Premium Progressive Release Bases Set includes (3) 15" base, (3) 7" plastic in ground mounts, and (3) tapered plugs. Molded from durable cut resistant polyurethane. Made in the USA. Designed to flex and absorb energy as a player slides into the base. Soft touch bases provide the ultimate in safety, installation and maintenance. “Progressive Release” action allows the base to flex until enough force is applied to “pop” the base free from the mount. 7" box remains in ground for full season of play. No need to keep re-installing bases daily. Base are molded from a durable cut•resistant polyurethane. Soft Touch bases are fully warranted against failure due to defective materials for one full year.