Sizes vary widely: common options include round mats about 36 inches across; square mats around 40–58 inches; tile/assembled sets about 51 inches square or 5 ft × 5 ft; extra-large foldable mats up to 71 inches square; and rectangular activity mats such as about 69 × 31 inches.
Large playmats are made from a range of materials, including polyester fabric, polyethylene foam, EVA (ethylene vinyl acetate) foam, and layered constructions (for example, organic cotton with recycled polyester fill).
Some playmats include water-resistant or water-repellent finishes and are marketed as suitable for outdoor use on grass or at picnics. Others are intended for indoor use and recommend wiping or spot-cleaning rather than machine washing. Always check the product’s outdoor suitability and care instructions before using it outside or exposing it to water.
Common components include interlocking tiles with border pieces, multi-tile sets (for example, alphabet/number sets of around 36 tiles), and, on some models, a carry case or bag for portability.
Many large playmats are marketed as suitable from newborn (0 months) and up; some listings specify ranges such as 0–24 months or 0–5 years. A few products are labeled 'All Ages' or recommend 3 years and up for activity-style mats—check the product age guidance for specifics.