Manufactured in Houston Tx by Tree Frogs Wooden Swing Company. Constructed with California Redwood and Western Red Cedar which come from certified mills that have sustained-yield forest management. Redwood & Cedar are both Naturally resistant to insects and decay. These two quality woods have similar cell structure which allows them to be dimensionally stable (meaning, these types of woods are unlikely to warp or twist) and they hold finishes/stain and fasteners well. Tree Frogs wooden swing sets are packed with challenging features and fun play events which will give you children years of athletic confidence building; creative play; and imaginative play. Tree Frog Swingsets are built to last with a solid LIFETIME WARRANTY to back them up.