Flame-retardant art roll is made of sulphite poster paper and conforms to the State of California Flame-resistant requirements and to the National Fire Protection Association No. 701 Standards. Use in classrooms, offices or anywhere flame-retardant papers are required. The versatile paper accepts all types of media. Decoral Flame-Retardant Paper is perfect for murals and banners and as a bulletin board background. Each roll is individually cartoned and fits most paper racks with a 7-1/4" diameter. These 1,000 rolls are approximately 8" to 9" in diameter