●Note: Bonus hammock is replaceable ●(Material/Thickness) Boards: White birch plywood / Thickness 0.6 inch (14 mm) (vertical strength material, so it can be used safely up to 39.7 lbs (18 kg); Posts: Hemp string wrapped in paper tubes, cotton string wrapped (outer diameter approx. 4.7 inches (12 cm)) ●(Free Bonus Hammock) Suitable Height 80.6 - 106.1 inches (203 - 268 cm), Pole Diameter 3.7 inches (9.5 cm). Comes with a hammock that can be freely arranged ●[1 Year Manufacturers Warranty/Note] If there is a defective product, please feel free to contact us at any time. Please contact us via "Account Service" → "Order History" → "Seller List" → "Ask Question" ●[Load Capacity] Thick 0.6 inch (14 mm) plywood, so it can hold up to 39.7 lbs (18 kg)