Material: Silicone Weight: 40g Applicable wrist circumference: 38mm 40mm 41mm: 130mm-195mm 42mm 44mm 45mm: 140mm-205mm Compatible device: The apple watch band compatible with apple watch 38mm 40mm 41mm 42mm 44mm 45mm iWatch Series 7/6/5/4/3/2/1 SE. Unique design: With multiple built-in magnetic loops our silicone magnetic apple watch bands features secure closure without a clasp. The powerful latest magnetic closures keeps the Apple Watch on the wrist safe and reliable even during exercise or in a humid environment. High-quality materials: Our apple watch wrist bands made of high-quality silicone and strengthened magnets which is scratch-resistant and wear-resistant soft and comfortable repeatedly washable easy to dry in one wipe. Perfect for sports fitness or daily work out wear. Quick release: The sport apple watch band has smart watch lugs at both ends for easy locking and quick release. Tool-free installation and easy to put on and take off allowing you to easily change different color straps to match different styles in a few seconds. Stylish and multi-colors: Optional stylish multi-color sport replacement strap for your choices simple design matches your apple watch perfectly for all occasions such as business school work party sports and more.