COMFORTABLE SIZE: These for apple watch band with 2 size available: 38mm/40mm size for apple watch bands 38mm or for apple watch bands 40mm and 42mm/44mm size for apple watch bands 42mm or for apple watch bands 44mm. Pls choose the correct size for your watch.38mm/40mm fit for 5.1"-7.1" (130mm-180mm) wrist; 44mm/42mm fit for 5.9"-7.9" (150mm-210mm) wrist

COMPATIBILITY MODELS:These Silicone Sport Bands fits for All iWatch models including apple watch Series SE, apple watch Series 6, apple watch Series 5, apple watch Series 4, apple watch Series 3, apple watch Series 2 and Series 1.

HIGH QUALITY MATERIAL: These for apple watch bracelet band are made of soft silicone material which is skin-friendly, durable breathable and lightweight and comfortable to wear.

SAFETY BUCKLE DESIGN: The design of the buckle and ring for the apple watch sports band with a notch keeps your apple watch stay in place all day and more secure during workouts.