Using soft playful foam, Tadpoles floor mats featuring letters and numbers provide a fun safe environment for your little one. Made of large interlocking foam puzzle pieces with removable letters and numbers, the mats create a soft base for baby and a great look for the room. Use anywhere a padded floor is needed - playroom, den, bedroom, kitchen, basement or garage. Easy to assemble and just as easy to pack up and store when not in use. SET CONTAINS: Includes 36 foam pieces with removable shaped centers and 24 border pieces. DIMENSIONS: Each square measures 12". As pictured, set covers 36 square feet. USE: Safe, soft and durable. Combine multiple sets to cover larger areas and create your own unique look. COMPOSITION: 100% EVA Foam. Non-toxic, phthalate and lead-free. CARE: Easy to clean. Just wipe with damp cloth and mild soap.