Buy It! The House of Noa Play Mat Dusk, $99; thehouseofnoa.com It's easy to see why Hadid chose this kid's room essential for daughter Khai, as the mat comes in 15 different chic prints and patterns. Reviewers write that it's "a total game changer," raving that the mat looks more like an "area rug than a play mat." Several parents also noted that the mat is multi-functional: You can use it as a play mat for kids or a workout mat for yourself. The House of Noa's mats start at $99 for the 4' x 6' size and go all the way up to a large 10' x 12' size. You can pick Hadid's exact Dusk pattern or opt for one of the other 14 stylish prints. The brand also makes a portable and foldable version of the mat that is made from vegan leather. Reviewers say the smaller Everly Mat is great to pack for day trips to the park or beach (or for longer excursions).