Apple Watch Ultra Strap Black TECH-PROTECT DEFENSE360 (49 mm) NILLKIN. The Apple Watch Ultra cases and covers are lightweight and durable. These are 100% original NILLKIN products designed to protect the back of the phone from scratches and other damage while reducing impact force. Each case and cover is designed to fit the phone without adding bulk. Additionally, accessing all phone functions is easy. NILLKIN offers cases and covers made from genuine leather, synthetic leather, silicone, plastic, carbon, rubber, and TPU. In a wide product range, you will find cases, covers, and screen protectors in various colors, styles, and designs. We have flip cases, book cases, inserts, back covers, and standard cases. Your phone will always be protected with the NILLKIN phone case, cover, and screen protector. NILLKIN is a modern and well-known brand that offers a wide range of mobile accessories.