These practise mats can be wiped clean for use again and again and has excellent durability. Children will love to practise their literacy and numeracy skills with these engaging and colourful practise mats. Unique to this product, the mat can be used with a dry erase pen or whiteboard marker. These practise mats are suitable for ages 3+. They are double-sided giving kids plenty of space to practise, and measure 42 x 28 cm.