Material - Our seamless solid O-rings are made of 304 stainless steel with a polished surface for rust and corrosion resistance. The material is high in strength, lightweight, sturdy, durable, not easy to deform, and suitable for long-term indoor and outdoor use. Features - The metal ring has an integrated circular appearance, strong load-bearing capacity, no welding, is not easy to break, and has a compact design structure to reduce space occupation and improve efficiency. Easy to Use - The rings are easy to install and disassemble and can be easily used by hand enthusiasts, effectively improving work efficiency and reducing maintenance costs. Wide Application - Gapless metal rings can be used as accessories for bags, handbags, backpacks, hammocks, plant hangers, paper towel rings, webbing, dog collars, and wind chimes. They are also widely used in rock climbing, caving, expansion, aerial work, escape and rescue, hoisting, and other industries. Material: 304 Stainless Steel Color: Black Total Size: 6 x 30 x 42mm / 0.24 x 1.18 x 1.65 inch (Wire Diameter*Inner Diameter*Outer Diameter) Package Content: 3Pcs x O Rings