LOVE TEACHING TEACHER HEART CLEAR CRYSTALS CHARM SLIDER PENDANT FOR YOUR NECKLACE EUROPEAN BRACELET DIY ETC. Slider has a 5mm Inner Diameter Core Teacher Charm Dimensions: 3/4" Across x 3/4" in Length Great Addition to a Necklace, Bracelet (Fits most name Brands), DIY Projects, Etc. Bright Clear Crystals, Nickel and Lead Free SHIPS FAST FROM KANSAS USA!!