【Double-sided adjustment, no sewing】 Standard 50mm plastic buckles require sewing on one side. You don't need to sew with these 50mm plastic quick release buckles because both the male and female sides have two slots to feed the strap through. So you can adjust the strap on both sides of these 50mm plastic quick release buckles. 【Easy replacement】 Easy to replace broken buckles on hiking backpack, waist bag, belt, dog collar, waist bag, baby harness, boat canopy, etc. Easy to install our plastic buckles, they are easily attached to straps without sewing. Hand wash Fasteners: Buckle Modern 【Very strong】 Made of high quality plastic with good flexibility and durability. These 50mm plastic quick release buckles have passed 3000 tensile tests. They can withstand a tensile force of 70 kg. They are strong 50mm plastic buckles. 【50mm Strap Buckles】 These 50mm plastic buckles are used on 50mm wide straps. Therefore, these plastic buckles are also called 50mm belt buckles. 2 sets included. 【Easy to Use】 Easy to use these 50mm belt buckles, easy release with one hand and no accidental release. These 50mm plastic clips are quite easy to attach and remove. These plastic buckles never twist when tightened or loosened. We strive to provide you with excellent customer service. No matter what problems you encounter, our professional team will do their best to solve them for you and ensure that you have a pleasant shopping experience.