Certificate in accordance with European Standards EN 1176 by the German TÜV - Product Service.Made of pine autoclave treated with non-toxic salts.Parts list:N°1 beam swinging wooden oval 8x12 cm.N° center stand in galvanized steel and covered with pine boards with oscillating system consists of a robust mechanism pivot bearings and Teflon.N°2 seats, phenolic glued birch plywood finished with colored films on both sides.N°2 shapes representing the head of a dog okoumé mahogany plywood, phenolic glued and shaped without corners. For each figure are two grips applied under colorful nylon. Treatment with potting colored non-toxic paint and finished with wax-based water-soluble.N°2 tire-ground.Assembled by 8.8 galvanized steel bolts and nuts. Elements covernut under colored nylon.