1. The Twist Lock Fasteners are for regular bags: 35*19 mm/ 1.38*0.75 inch; The small size is suitable for more types of bags, as an embellishment for bags, showcasing one's taste in detail.2. The Purse Turn Locks Clasp with alloy materials, durable and rust proof, not easy to deform or fade, long-lasting durability.3. Easy to install and use - Find and align with the hole position on the bag, and press it to complete installation, so it can fast to replace; This hardware will be more convenient, it can be opened or closed with just a gentle twist, achieving one-handed operation.4. Classic Styles - Oval-shaped lock fastener with elegant beauty, simplicity, and classic retro style, this kind of classic style can easily match bags of various kinds of styles and occasions.5.