The activity nest is developed to grow with the child, as it has several functions. Use it as a play pen, play gym, play mattress, baby nest. When the baby is newborn you can use the activity nest with the sides folded and with the activity rods attached to hang toys or without the activity rods for a bigger babynest - can be used for twins. You can also unfold the sides if you wan\'t to sit on the mattress togethter with the child or when the little one starts to crawl. When the baby gets older you can use the activity nest as a play mattress with the sides unfolded. The activity nest should be folded with the enclosed leather belts.Material: 100% organic cotton. Filling: 100% polyester, wooden cardboardsMeasurements: 80x80 cm (folded), 120x120 (unfolded). Height: 60 cm.Filibabba bring social and environmental considerations into their business activities. Filibabba uses GOTS certified textiles. GOTS stands for GLOBAL ORGANIC TEXTILE STANDARD and focuses on ecology, sustainability and social responsibility. All cotton fabrics are certified, along with all companies in their supply chain.