Virco Student Chair, Sky Blue, Soft Plastic Shell, 13" Seat Height, for Kindergarten - 1st Grade, 2 Pack Soft plastic static resistant seating provides long-lasting comfort and support for an unhindered learning experience Quality design ensures years of use Multi-surface non-marring nylon swivel glides Designed, engineered, and assembled in the USA from the #1 brand in the educational furniture industry Family Base Model Number - M-ZROCK13