Business Source Index Cards, Ruled, 90lb, , 5""x8"", 100/PK, WhiteRuled index cards make note-taking easy and simple, Cards are rotary-cut for uniform height and ruled on one side only for versatile note-taking space, Each card offers an 8 point thickness, 90 lb, basis weight and a 165 GSM index cardstock, SKU: DLRDY083306