Children's Factory Pillow Rest Mat - Red/Green 10 Pack Classroom Furniture (CF400-011) One of four soft foam pieces is twice as thick to provide a soft pillow for nap time Patented Infection Control rest mats have vinyl welded seams to protect foam padding from liquids and bacteria contamination Comfy mat easily folds to 20"l x 12-3/4"w x 4"h for convenient storage