Food bumpers adapt a standard plate into a plate for self feeding similar to an inner lip plate or a scoop plate. The vertical wall provides an area to push food onto your utensil for scooping and aids in keeping the food on the plate. Fits 8″ – 11″ (20-28cm) plates. This sanitary snap-on food bumper is molded in one piece. Microwaveable. Residential and institutional dishwasher safe