The bright nickel plated metal 2 3/4 in binder rings are an round cycle clip for combining paperwork or index cards together,\r\n Nickel plating on metal cycle rings provides extra protection and rust resistance,\r\nbook rings have an easy open and close clasp that will not hurt your hands,\r\nSturdy metal construction of binder rings adds sleek appearance and reliable durability\r\nBook rings can bind together and secure hole punched paper,\r\nThe book rings fit for school，classroom, office or home to fastening document stack, books, paper, index cards, note cards, notebook, photo album, keys,\r\nshower curtain hooks, scrapbook , booklets , loose leaf rings, ring clips, memo filing, key rings, binding recipe, sample book holders, contract or file etc.\r\nPlease Note:\r\nThese book binder rings away from water and acid environment .\r\nPlease keep these book rings far away from under 3 years old.\r\nThe color of the image may be slightly different from the object due to the lighting