NCR PAPER Superior Canary Coated Front/Back 20# 8.5" x 11" - 5830 / 1812 - Pack of 500 - Letter - 8 1/2" x 11" - 21 lb (9525.44 g) Basis Weight - Coated Front and Back, Chlorine-free, Acid-free - Canary, Yellow - 5000 Sheets - 500 / Pack