Rulers on a roll! Plasticized, yellow paper tape has a unique measuring tape design. Tear it off in 12" increments or use a continuous row of "rulers." Great for use on student desks, work tables or as a fun classroom decoration. Roll measures 1"W x 500"L, with a 1" core. Yields 40, 1" x 12"/30cm rulers. This product ships in approximately 1 days