Tree Holds: Get 12 ninja tree climbing holds for outdoor training. Climb: Whether you're training for something big or just love climbing, these tree holds can turn you into the adventurer of your dreams! Material: Made from high quality, weather resistant resin. Weight: Holds up to 230lbs. Includes: The set comes in five bright colours and three different shapes for a unique climbing experience every time. Options: Choose between screw in or strap on versions. 12 Ninja Tree Climbing Holds | Living Social