Black Leather Heavy Duty Sex Sling Swing Adult Play Hammock Bdsm - (Sw4)These are the strongest slings swings. Their leather thickness is 4mm, this leather is specially prepared for these swings. FEATURES: All joints are stress tested to 150kg to ensure they won't break when used. Comes with a set of LEATHER STIRRUPS and quality steel Rings to suspend it. Do not confuse these swings with cheaper versions which will rip & split when used. The sling swing is made from quality leather and riveted together with nickel plated