Blue Leather Apple Watch Band: Engraved Genuine Leather 。Compatible with Series 1, Series 2, Series 3, Series 4, Series 5, Series 6, Series 7, Series 8, Series 9, Series SE. Made of original imported Italian vegetable tanned high-quality first-layer cowhide, 100% genuine leather, soft and skin-friendly, made of pure hand-pulled wires, comfortable to wear and touch the body, ergonomically designed, sweat-proof, waterproof, deodorant and breathable . The watch buckle is made of 304 stainless steel, which is rust-proof and durable. Thanks for taking a look!