DescriptionMade by brass material, durable and easy to install, not east to fall off, professional design for bag strap use. With these simple designed slide ring, you can adjust the backpack strap by you like. Anti-skid, lightweight and practical.Features-Material: Brass -Size S: About6.00X3.00X1.00cm/ 2.36X1.18X0.39inch -Size L: About6.00X3.50X1.00cm/ 2.36X1.38X0.39inch-Made of premium brass material, small and lightweight, durable and practical. -Easy to replace your broken one, multifunctional, can meet your needs. -It is simple to design yet practical for long term use, its color in the surface will not fade. -Suitable for making belts, harnesses and clothes, luggage belts and backpacks. -Excellent for men and women repairing belts, bags, and leather crafts, heavy duty fastener accessory.