Package includes: you will receive hammock spring, including spring, 2 carabiners, spring size is 20*3.5cm, rope length is 28cm, carabiner size is 8*3.8cm, the full suspension device can beIt meets your daily needs well. High Quality: Our chair springs are made of high quality stainless steel, which is corrosion-resistant, rust-resistant and durable. It provides a more stable, stable and secure suspension. Easy to use: This type of rust proof spring is safe and easy to install in homes, gardens and recreational areas. You can quickly and easily achieve the safe connection of the carabiner. Very practical: the hammock suspension can support more than 250 kg. With our multifunctional hanging kit, you can lie on the swing for hours without worry. The spring dampens the movement of the hammock, making the swingstable and comfortable. Wide range of uses: very suitable for hammock chairs, porch swings, swing chairs, sandbags, outdoor swings, hammock chairs, aerial yoga, etc.