A comfortable mobile teacher seat with ingenious storage that puts the teacher at the ideal height for reading or presenting to curious young minds. Part of the Whitney Brothers Teacher's Collection, this mobile stool features heavy duty non-marking 2-inch casters that lock; drawer glides that accommodate three shallow Gratnell trays [included] to store books, activities and teaching aids; and a removable 1-inch thick vinyl covered high density foam cushion for outstanding comfort. Constructed with no visible screws or joinery for a fine finished furniture look. Coordinate your classroom with all the furniture elements in our Teacher's Collection: WB1809 Teacher's Desk With Trays and Locking Door, WB1810 Teacher's Wardrobe with Trays and Locking Door, WB1819 Teacher's Workstation Cabinet and WB1820 Mobile Backpack and Trays Cabinet [each sold separately].