We are 100% sure all of our products are returnable. We pursue 100% customer satisfaction. If you are not completely satisfied, please contact Cuckoo on your Amazon order page and click "Contact seller", your problem would be solved promptly. Compatibility: custom designed for Samsung Gear S3 Frontier/ Gear S3 Classic/ Samsung Galaxy Watch 46mm/ Huawei Watch 2 classic/ LG G Watch W100/ Asus zenwatch 2/ ticwatch Pro/ Moto 360 2nd Gen 46mm/ Pebble time/ Pebble time steel etc. Features: Made of high-performance metrial; all materials contain no harmful substance. Comes with Quick release pins, which locks onto your watch interface precisely and securely. Exquisite stitching, unique design makes your Samsung Gear S3 watch more attractive & elegant. Package includes: 2 x Gear S3 stainless steel watch band 6 x quick release pins 1 x Link remove tool 2 x Gear S3 tempered glass screen Protectors> 2 X Alcohol wipes> why shop with us? High Quality & Reasonable price fashionable & Comfortable in Design The perfect companion for your smart Watches> fast Delivery> We promise to give you the best "Professional, Efficient, Quick" Service. Not happy with your purchase? Let us know, we are here to help!