1. Ventilation hole design, breathable and not stuffy. The eight-way stretch design makes the waist evenly stressed and reduces waist pressure.2. The strong hook-and-loop strap design allows you to adjust the tightness as needed. The design of four support bars is ergonomic, fits the waist curve, and provides strong support.3. Made of high-quality plush carbon fiber, it is skin-friendly, breathable, flexible, elastic, thin, comfortable and warm, keeping your waist, abdomen and back warm and comfortable in spring and autumn.4. Provides gentle support for weak, injured and arthritic backs. Helps keep affected areas warm after injury and during recovery. Great for wearing under clothes to relieve back pain5. This lumbar support belt is a great Christmas/New Year/Holiday/Festival/Birthday gift for yourself, friends and family.Specification:Product name: waist support beltMaterial: PVC, webbing, elastic fabricGender: Male FemaleSuitable for all Ages: AdultsFeatures: Back support, elasticity, lightweightSize details:Size Small Length: 90cm-100cm/35.43"-39.37" (approx.)Size M Length: 105cm-120cm/41.34"-47.24" (approx.)Size L Length: 120cm-140cm/47.24"-55.12" (approx.)Note:Due to differences in light and screen settings, the color of the item may vary slightly from the picture.Please allow slight size differences due to different manual measurements.packing list:1 lumbar support strap