Round back with handhold and tab supports. Stackable. 2" thick, foam padded, weltless box seat. Side stacking and rear support bars for added strength. Hidden tab back supports. Seat dimensions: 15-1/2"Wx15-3/4"Dx8-1/2"H. Overall dimensions: 17-1/2"Wx21-1/2"Dx35-1/2"H. Black powdercoat frame with plastic rocker glides. Choose from the vinyls listed. Chair with black vinyl ships in 5 business days.