#15 PLASTIC GROMMET, 1 7/8" ID, 8 SETS, BLACK NO TOOLS NEEDED - Easy snap together insulation. PROFESSIONAL GROMMETS - Up to 3/32" fabric thickness, used by drapery workrooms USED IN MANY PROJECTS - Drapery, Curtains, Pillows, Shower Curtains and Craft Projects RECOMMENDED - Sew-on Grommet Tape to aid in placement Fashionable, affordable and stronger than craft grommets