Brooch Pin Backs 1000pcs Black Rubber Pin Backs for Tie Tack Lapel Holder Cap Keepers Brooch Badge Jewelry Making Supplies Accessories

Cost-Effective Handcraft Essential:Versatile reusable backing hardware for personal hobby creation, small handmade business batch production and gift making. Sufficient practicality meets daily DIY replacement and continuous crafting demands1.Material: Rubber2.Color: black3.Product size: as shown in picture4.Quatity:1000pcsTips:1.Due to the hand measurement, there have size error about 1-2mm2.Item color displayed in photos may be showing slightly different on your computer monitor since programs are not calibrated same

• Secure Anti-Slip Locking Mechanism:Built with reliable spring clasp structure to hold pin posts tightly in place. Effectively prevents accidental opening and falling off during daily wearing, keeping handmade brooches fixed stably on clothing, scarves and bags
• Smooth Burr-Free Safe Craft Surface:All edges and contact parts receive fine polishing treatment without sharp burrs. Avoids scratching fabrics, skin and decorative craft materials during assembly and long-time wear for comfortable safe use
• Wide DIY Jewelry Compatibility:Universal base design matches resin pieces, fabric flowers, enamel charms, felt ornaments, polymer clay decorations and various handmade embellishments. Perfect backing accessory for custom brooch making of all styles
• Simple Beginner-Friendly Assembly:Easy to attach via gluing or stitching without complex professional tools. New crafters, kids and handmade hobbyists can quickly finish brooch assembly, lowering the difficulty of personalized jewelry creation
• Multi-Scenario Decorative Application:Ideal supply for daily fashion brooches, holiday decorative pins, wedding boutonnieres, craft fair handmade ornaments, backpack charms and classroom DIY art projects