Package dimensions 22.7 x 16.8 x 7 cm; 620 grams Strong and durable material: The hammock attachment set is made of high-strength polyester and high-quality stainless steel. Hammocks are resistant to damage from sun, water, and other abuse, and can withstand temperatures ranging from 5 F to 176 F. Solid locking system, never rust, never fade. < p>High SecurityWe have carried out rigorous tests on the swing attachment, and can withstand 1000kg. In addition, the carabiner with locking function gives you the most secure protection. Safety is our top priority.< /p> Easy and Fast InstallationYou can hang the swing set in a minute without any tools. Put the strap on the tree, put the strap back to adjust the length, pass the strap through the metal ring, install the swing and check the resistance again. WIDE APPLICATIONS - The attachment of the swing is suitable for a variety of swing shapes, including tree swing, garden hammock, toddler swing, children's swing, spinner swing, tire swing, seesaw disc swing, web swing, outdoor swing, etc. Package and excellent service: 1X stainless steel swivel, 2 X swing attachment with D-rings, 2 X M9 carabiner stainless steel, 2 X tree protection pads, 1 X storage bag.