Flat panels come in three thicknesses - 1, 1-1/2 and 2 inches, and all colors - white, light gray, and medium gray.
Standard Face Sizes: 12" x 24", 24" x 24", and 24" x 48".
Stock and Shipping: Flat Hi-Sabin Panels in white color of any standard size and thickness are stocked. Please allow 2 weeks to fill and ship your order. Panels in light gray or medium gray color of any standard size and thickness are made to order. Please allow 4-6 weeks to fill and ship."