1-inch round lock buckle: inner diameter width 25MM, POM material, straight pull force 90KG, ring pull force over 350 pounds. The product is slightly arc-shaped, and the surface of the mother buckle is equipped with an oval convex locking piece that can be pushed up and down. Pushing the locking piece up can lock the buckle and prevent it from being pressed. The locking piece has a two-way arrow anti-slip bar to increase the silky feel of pushing and locking. The LOGO can be customized in the mother buckle frame.