Why Choose EXCAHR? We are a team full of passion and vitality, we devote ourselves to making comfortable and fashionable watch bands, our biggest wish is everyone could have a premium band with lower price.What about EXCHAR watch bands? Durable material and sporty design perfectly fits when you workout. Lightweight, water and sweat proof watch bands bring much more amazing and comfortable experience during your outdoor activities and social occassions. Daily work, Gym, Picnic, Swims , Climbing, Hiking, Camping, Traveling and so on.Could it fit my Apple Watch Series 5? Yes. All the bands are compatible for Apple Watch Series 5/4/3/2/1, Apple Watch Nike+, Sport and Edition What size should I buy? Please kindly choose the right size according to your original watch. If you forget that, please kindly refer the below size chart?usually woman could choose a size S/M ? [size]40mm 38mm S/M -[for wrist:]5.1"-7.1" (130mm-180mm) [size]40mm 38mm M/L - [for wrist:]5.5"-7.5" (140mm-190mm) [size]44mm 42mm S/M - [for wrist:]5.9"-7.9" (150mm-200mm) [size]44mm 42mm M/L - [for wrist:]6.3"-8.3" (160mm-210mm)NOTICE: 38MM/40MM S/M, 38MM/40MM M/L sizes are used for 38MM/40MM apple watch 42MM/44MM S/M, 42MM/44MM M/L sizes are used for 42MM/44MM apple watch S/M means Small size, M/L means Large size Please choose the correct watch model and size for yourselfWhat if I don't like it? All EXCHAR bands are under 12 month?s warranty. If there are any problems, we could offer a full refund within 360 days.