Compatibility:: sport bracelet is compatible with Apple Watch Series 7, Series 6, Series 5, Series 4, Series 3, Series 2, Series 1 and compatible with Apple Watch SE, as well as for iWatch Series 7/6/SE /5/4/3/2/1, Sport, Edition, ALL VERSIONS. (Note: Watch is not included.) Two-Hole Ring Buckle Secure Installation:: The double-hole ring buckle and snap buckle design can lock the strap tightly to the wrist, and it is easy to install and remove. The bands compatible with Apple Watch bands have perfect lugs, which can be locked seamlessly and securely by simply connecting the two ends of the watch Small Hole Design Breathable Port: The unique small hole design allows your wrist to breathe freely. Excellent breathability, which minimizes the possibility of wrist sweating. What's more, the watch strap compatible with Apple Watch strap is made of premium soft silicone, which brings comfortable and durable wearing experience - soft, flexible and skin-friendly Sporty Appearance Colorful Colors:: Don't worry about boring one color, there are rich dual color combinations for you to choose from. The design of the small holes looks full of sports style, and the rich color palette (Black/Gray, White/Rainbow, Black/Pink, White/Black, etc.) makes daily life colorful and makes you more comfortable. the fashion. This band accessory compatible with the Apple Watch strap is suitable for women and men Size selection:: Size 38mm/40mm/41mm-S/M, fits 5.1"-7.1" (130-180mm) wrists. Size 42mm/44mm/45mm-S/M, fits 5.5"-7.5" (140-190mm) wrists. Size 38mm/40mm/41mm-M/L, fits 5.9"-7.9" (150-200mm) wrists. Size 42mm/44mm/45mm-M/L, fits 6.3"-8.3" (160-210mm) wrists. Please choose the appropriate strap according to your watch size (38mm 40mm 41mm 42mm 44mm 45mm) and wrist circumference