Check the listing for details. Slide Tri-Glide Buckle, 1-1/4"Metal Adjustable Slide Rectangle 6 Pcs & Black. Condition: New. Listed at 12.42 USD. MaterialThe metal adjustable slide buckle is made of alloy, which is strong and durable.The tri-glide suspender strap slider is designed with smooth surface, bright colors and not easy to fade. Highly glossy, it retains its original color and shape even after prolonged use, proving more durable and reliable than plastic materials.Relevant UsageThese metal rectangular adjusters are suitable for handbags, luggage, wallets, backpacks, shoulder straps, webbing, belts, pet collars, waist belts, and more. The metal adjustable sliders is the perfect accessory for unleash your creativity and craftsmanship in DIY bag projects.Easy-to-UseFirst, sew the slider onto one end of the strap. Wrap the connector around the strap, then thread the strap through the slider. Finally, sew the other connector onto the remaining end of the strap.