Compatibility: Compatible with Apple Watch 49mm (Ultra 3/2/1) of all versions (Package: a Soft TPU Protective Case for Apple Watch Ultra 3/2/1). Easy to adjust the length,suitable for wrists 6.5"-8.5" (165mm-215mm) Material technologies: Made of top-grade stainless steel 316L, with high-tech smooth surface technology, vacuum plating technology, design and aesthetics taking every detail into account.They are beautiful and elegant in color with luxurious, noble, wear-resistant, durable, high in hardness, corrosion-resistant, and comfortable to touch Fashion Upgrade: Gradient Slender; ultra-thin design; exquisite appearance of our bands is for your elegant wearing.You do not feel worried about the damage or crash of the adapter because our upgraded adapter and band are integrated Ultra-thin Safety: 2.5mm thickness with 0.16 lb net weight. When you wear it, you will feel lighter and not bulky; upgraded stronger durable double buckle,The unique folding clasp with double locking locks your wristband reliably. Easy to install and remove Package include: 1 apple watch band; 1 TPU Cover; 1 adjustment tool