For Tumblers Which are Made of Metal Material. Blank Bar Design: You Can Make Your Special Charm with Our CustomizatedBlank Bar, Which Add a special Personal Touch to Your Tumblers and Other Water Handle Cups; This Charm for Tumblers not Only Elevate Your Drinkware Aesthetics But also Make You Stand Out in The Crowd. Easy to DIY: The Customization Tumbler Charms are Designed to Provide an to Decor Your Tumblers; Just Twist off The Beads on The Metal Stick, Add Your beads or Pendants (not included), and Twist The Secure Beads Back. Multi-Use: These Metal Blank Bar Cup Chains Can Attach Easily to Keychains, Purses, or Even a School Bag Zipper. Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:As Shown Material:Metal Package Contents: 10 * Beadable Cup Charm Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.