Caution: color: we send according to the color of the first picture, in the package: if the quantity is not stated in the description, we will shlp the item according to the quantity and model in the title. Aerial yoga rope waist back leg stretch strap yoga fitness band for fitness, dance, ballet, gymnastics 3.8X350cm black the product is shlpped based on the color or size of the main image of the product page. Colour:black size:3.8X350cm 1. Quality: high-density textile polyester fabric, comfortable and skin-friendly. Metal adjustable buckle, electroplated alloy bayonet, strong and durable, not fading, easy to adjust the length. The high-density compression sponge chuck is flexible, will not scratch the door frame, and is safer to use. The size is 3.8X350cm. 2. Back bending training, beautify the shoulders, straighten the back, stretch the ligaments of the limbs, strengthen the waist and abdomen, modify the body line 3. Auxiliary horse exercises, stretch the thighs, hamstrings, groin, stimulate the abdominal organs, strengthen the buttocks muscles, and keep the legs healthy 4. Auxiliary leg press training, flexibility exercises can promote physical health, and shaping can reduce the risk of injury 5. Assist difficult handstands, assist in the exercise of arm and chest strength, deepen the posture, make the exercise easier, and the effect is more significant 6. Relieve back pain: when hanging upside down, it immediately gains traction and creates more space between the vertebrae. 7. Improve health: the flexibility of the door and stretch leg straps can increase your flexibility, allowing you to stretch yourself more easily and safely. Easy-to-use elastic bands and soft cushions can take care of your waist, hands and feet, allowing you to improve your stretching or yoga skills, and make you feel and look younger 8. Wide range of use: anyone who wants to exercise can use it. It has no age limit and is suitable for women, men, teenagers, girls and the elderly. Used for postpartum recovery or fat burning and body sculpting. You can also give it as a gift to your friends or family. 9. How to use the door buckle: 1. Install the compression sponge chuck outside the door. 2. Close the door and fasten your belt inside the door. 3. Adjust the buckle to suit the yoga posture. 4. After adjustment, start exercising.