Apple Watch Antimicrobial Band Features: Comfortable all-day style Durable, soft touch, silicone material Sport/athletic styling Sweatproof, breathable Antimicrobial* Quality buckle, lug and clasp Complements Apple Watch features and functions Specifications: Compatible With: Apple Watch Series 7 45mm Apple Watch Series 6 44mm Apple Watch Series SE 44mm Apple Watch Series 5 44mm Apple Watch Series 4 44mm Apple Watch Series 3 42mm Dimensions: 8.74 in x 1.35 in x 0.12 in / 221.90 mm x 34.40 mm x 3.00 mm Weight: 0.04 lbs | 18.70 g Materials: Silicon Stainless steel