✅Compatibility:Compatible for Apple watch series 3,series 6,series 5,series 4,series 2,series 1,series SE. 38mm/40mm-S/M, 38mm/40mm-M/L sizes are made for 38mm and 40mm apple iwatch, 42mm/44mm-S/M, 42mm/44mm-M/L sizes are made for 42mm and 44mm apple iwatch, suitable for women and men. | ✅Skin-friendly: Sunnywoo bands for apple watch made of premium silicone, prevents skin from irritation and rash, comfortable to wear everyday. With adjustable stainless steel pin-and-tuck buckle , can be prevent rusting, quickly adjustment and skin-friendly. | ✅Available Size:Those silicone sport strap for Apple watch has two size:38mm/40mm S/M-Suitable for 5.1 "-7.1" (130mm-180mm) wrist; 38mm/40mm M /L-Suitable for 150mm to 200mm (5.9 "-7.9") wrist; 42mm/44mm S/M: Suitable for 140 mm - 190 mm (5.5 "-7.5") wrist; 42mm/44mm M/L: Suitable for 160mm to 210mm (6.3 "-8.3") wrist.please measure your wrist or ask our customer service before your order this band. | ✅Various Colors: Our band for iwatch women and men have more than 10 colors for you to choose: cactus,burgundy,black,deep navy,pink sand,white,lavender grey,yellow,gray......Different Colors could give your iWatch a totally different new outlook,match your outfits both for daily wear and special affairs. | ✅12 Months Warranty:Sunnywoo bands for apple watch provides you with the best quality service. If you have any questions about the size after receiving the band, please contact us in time and we will help you solve the problem within 24 hours.