BEST GIFT - ANSUSIC SI Belt is a perfect gift for postpartum women and those who feel uncomfortable with sports injuries, as it can alleviate the discomfort inflammation and discomfort in the SI joint, hip,lower back, pelvic areas and upper legs. EASY TO USE AND ADJUST - The smart design of this belt allows you to adjust the tightness and compression to your preference. Simply adjust the two elastic tension straps and get a tighter or looser fit. The strong hook & loop closures are equipped with ‘smart tabs’ that make it super easy to unstick the straps. The ANSUSIC belt is very easy to use, comes with clear instructions and is backed by our world class customer service!. ANTI SLIP DURABLE - The ANSUSIC SI Joint brace will stay in place, no matter what. The unique anti-slip material will make sure that your belt won’t move around or ride up your hips. We also made sure to keep the material lightweight and very durable. You will have no problem wearing this belt for longer periods of time. Comfortably wear it around the house, during sports, other activities or even at night. FIT MEASUREMENTS - The ANSUSIC SI Belt size S fits hip circumference 21-40 inches and size L fits hip circumference 37-51 inches. Unisex design for men and women. Measure right above your hips, see our images for a visual illustration. The belt can be worn under or over your clothing. Stabilizing compression hip brace. ANSUSIC SI Joint Belt-Our sacroiliac joint comes with a sacroiliac joint (or "sacroiliac joint") that helps stabilize excessive activity or inflammation. It should be worn day and night for at least two weeks, with dual adjustment. The surrounding "double strap" design provides controllable compression, and the auxiliary strap allows you to compress extra without overtensioning the belt. The breathable fabric allows air and moisture to pass through.