Our S-Biner KeyRing features six different-colored, lightweight plastic S-Biners that attach quickly and securely to a sturdy, solid, stainless steel ring. It's easy to hang on hooks or loop through cord. Use one of the plastic S-Biners to attach the whole unit to a second key ring, belt loop, purse strap, or zipper pull—anything with a loop or D-ring. The 6 plastic S-Biners the Key Ring comes with are perfectly sized to hold 6 separate keys, their vivid different colors allow you to iden