12 months & up. this Germ Guard™ Rest Mat is durable, comfortable and completely hygienic! Mat is manufactured using radio frequency vinyl welding technology which completely seals all seams protecting the foam padding from liquid and bacteria contamination. Mat can be used in a variety of spaces and folds easily for convenient storage. Measures 48"L x 24"W x 2"H (folded: 24"L x 15.25"W x 6.5"H).