Avoid loss of keys which is locked with our spiral bracelets. It's also adjustable to fit different ... diameter of key ring is 2cm;- 3. Process: injecting and handmade;- 4. Designs: single, two-in-one, three-in-one, inside printing, glow ... standard, EN71, AZO free, low cadimum, nickel free and package wasteOther photos for reference as belows: Plastic Spiral/Spring Bracelet with Key Ring