product features:100% brand new, high quality.The softness is moderate and comfortable to wear.The size can be adjusted freely according to the individual's wrist.Material: 316 steelCompatible models: for Apple apple watch (38mm/42mm)Easy to assemble without tools, perfect fit, no gaps! The same design as the original does not require tools to disassemble! Our materials are new raw materials, high quality, stable supply, please rest assured to buy!