These Phoenix rubber mat for toolboxes are smooth on both sides. These rubber mat measures 36",48", or 60"W x 18"D.
PH4362: Mat For 36" Length X 18" Deep Toolboxes, Actual Dimensions 35.5" x 16.5" x 0.188"
PH4363: Mat For 48" Length X 18" Deep Toolboxes, Actual Dimensions 47.5" x 16.5" x 0.188"
PH4364: Mat For 60" Length X 18" Deep Toolboxes, Actual Dimensions 59.5" x 16.5" x 0.188"