Product details:

Provide versatile, practical seating for your science hall, art studio, music room, or classroom with the National Public Seating 6218B-10 18" black round hardboard lab stool. A 14" diameter seat pan rests 18" above the ground and features an 11 1/2" diameter hardboard seat for exceptional comfort. Designed to ensure long-lasting use, it is also secured with 8 metal rivets to protect against warping, cracking, and chipping. For maximum stability, durable 18 gauge steel legs are welded to the foot ring at four contact points per leg, and each leg is capped with a non-marring polypropylene glide for easy movement and scratch resistance. Plus, an included backrest has a 6" x 12" support area and can be adjusted in 2" increments up, down, forward, or backward to create a customized seat that your students and guests will love. Overall Dimensions: Width: 14" Height (with backrest): Adjustable from 31" to 33". Seat Diameter: 14". Seat Height: 18". Capacity: 300 lb. 6218B-10 From National Public Seating.