COE Spacer Disposable Trays (with the unique zigzag spacer bar designed into the occlusal surface) allows you to seat loaded impression trays to the correct depth, time after time. - Disposable - Strong, rigid plastic - Unique, zigzag spacer - Anatomically designed - Perforate style/solid style - Dimensions: 2-9/16" W, 1-3/8" L, 13/16" D.