These buckles are made of high quality polyoxymethylene (POM), feature good flexibility and strong pulling, thicker and durable than standard buckles. Easy one-handed release design, adjustable webbing length on both sides. Great for Backpacks, bracelets, Purses, lanyards, dog collars, Belts, etc. Package: 2 Pcs 1.5" plastic buckles, fit for 1.5"(38mm) webbing straps 2 Pcs 1.5" tri-glide slide, fit for 1.5"(38mm) webbing straps Risk-free purchase: Please feel free to contact us if you are not satisfied with the products or any questions with quality, we will make a full refund or a free replacement for your order.