Small Square Dimensions: 8" (W) x 8" (L) x 3.5" (H)
Medium Square Dimensions: 15" (W) x 15" (L) x 5" (H)
Large Square Dimensions: 20" (W) x 20" (L) x 3.75" (H)
Rectangle Dimensions: 18" (W) x 5" (L) x 5" (H)