The Oeuf stool grows with your child. Smart Design: Easy to assemble; Two adjustable seat heights; Eco-friendly: Made of eco MDF and solid Baltic birch; Finishes are non toxic, water-based and free of VOC health hazards; Made under European environmental standards; Packaging made of recycled cardboard; Responsible recycling through licensed collecting facilities; Other info: Dimensions: 12.5 D x 12.5 W x 15.5 H to 17.5 H;.