COMPATIBILITY: Fashion new Apple nylon square buckle watch band, is compatible with apple iwatch 42/44/45/49mm SE and Ultra Series 8 7 6 5 4 3 2 1 watches.(Excluding Apple watch) HIGH QUALITY MATERIAL： Made of nylon material, it is very soft and comfortable after wearing, can provide soft cushioning, ensure that it is always soft, sports breathable and light. ADJUSTADLE SIZE：42 44 45 49mm looped wristband is suitable for wrists with a size of 14cm-19cm/5.5-7.5 inches, 11 precision eyelets allow for individualized adjustment to fit perfectly，Fit most wrists. These watch band can also improve air flow to prevent sweat accumulation. EASY TO INSTALL AND REMOVE: The replacement sport watch band comes with watch lugs on both ends, which locks onto the watch interface precisely. Easy and direct installation and one button removal. PERFECT DESIGN: Innovative pins and pleated closure ensure a perfect fit. The fashionable button design of fasteners, soft and breathable nylon woven, with smooth surface and good elasticity, brings a fashionable sports appearance.