1. [Spinal Decompression Harness] Stretch for just 2 to 3 minutes a day to help improve back discomfort, relieve nerve discomfort, and enhance flexibility. 2. [Multiple Position Stretch] This back stretcher offers multiple positions for stretching, allowing you to target different areas of your back for the best effect. 3. [Underarm Pad Design] Upgraded underarm pad reduces friction during stretching, alleviates discomfort under the arms, and enhances overall comfort. 4. [Adjustable Shoulder Straps] Find a comfortable and supportive posture by adjusting the shoulder straps to your desired level of support. 5. [Lightweight and Breathable] Made from thin and skin friendly fabric, with breathable mesh fabric, this back stretching belt is more comfortable to wear. Specification: Item Type: Back Stretcher Material: SBR Size Length Adjustable Shoulder Strap Applicable Range S 109cm/42.91in 157cm/61.81in 86-97cm/33.86-38.19in M 127cm/50.00in 157cm/61.81in 98-109cm/38.58-42.91in L 140cm/55.12in 172cm/67.72in 107-117cm/42.13-46.06in PackageList: 1 x Back Stretcher Note: 1. There is 1-3cm size error due to manual measurement. 2. Only including harness, you need to prepare pull rod yourself.[Spinal Decompression Harness] Stretch for just 2 to 3 minutes a day to help improve back discomfort, relieve nerve discomfort, and enhance flexibility. [Multiple Position Stretch] This back stretcher offers multiple positions for stretching, allowing you to target different areas of your back for the best effect. [Lightweight and Breathable] Made from thin and skin friendly fabric, with breathable mesh fabric, this back stretching belt is more comfortable to wear. [Adjustable Shoulder Straps] Find a comfortable and supportive posture by adjusting the shoulder straps to your desired level of support. [Underarm Pad Design] Upgraded underarm pad reduces friction during stretching, alleviates discomfort under the arms, and enhances overall comfort.