The sheet is made of very soft and pleasant to the touch 100% bamboo viscose, which is known for its anti-allergic and anti-fungal properties. The product is suitable for children whose sensitive skin requires special attention. Elastic ensures easy and quick placement on the stroller mattress. Fabric: 100% bamboo viscose The maximum washing temperature is 40°C. Do not bleach, do not dry clean, iron at a maximum temperature of 150 degrees, dry in a vertical position.