Original fit Silicone Strap for Samsung Watch 4/5 40 44Mm Watch 5 Pro 45Mm Band Magnetic Buckle for Galaxy Watch 4 Classic 42 46Mm ?Compatible Model?-- The width 20mm No Gaps band compatible with Samsung Galaxy Watch 4 band 40mm 44mm, Samsung Galaxy Watch 4 Classic band 42mm 46mm, Samsung Galaxy Watch 5 band 40mm 44mm, Samsung Galaxy Watch 5 pro band 45mm. ?Magnetic metal buckle?-- The clasp is made of high-quality stainless steel metal material, with texture, better than butterfly clasp and convenient to wear, folds back automatically and magnetically, it can be worn in two seconds. No sharp edges,strong magnetic clasp makes the strap secure. ?Soft Silicone?-- Breathable, waterproof, sweat-proof and soft, comfortable to wear and easy to use. Odourless, The material is harmless to human skin and is not allergic. A simple and Smooth Shape, classic, elegant and stylishand is More Aesthetic. Fit all women, girls and men, for comfort and active lifestyle. ?Wrist Circumference?-- Size fits: 5.5" - 8" (140mm-205mm) wrist, Approximately 8" total length when not attached to watch; Designed to fit wrists 5.1" to 8". Various rich and muted colors, go great with your outfits and easy change for every occasion. Different color with different mood when you working, sporting and travelling. ?SERVICE?-- The Width 20mm classic watch band series is ideal option for Samsung Watch. If there are any question about the strap, please email us. REFUND or FREE REPLACEMENT, we will try our best to satisfy every customer.