The topper will transform your existing mattress while providing you with the ultimate comfort. These mattress toppers are made using fabric from one of the most certified fibres in the world, Sequal. This high-quality yarn is made from recycled materials including plastic captured from the sea. That's why it contributes to preserving natural resources and reducing the waste on our lovely planet. CosyBoo products are packaged and posted using only recycled or recyclable materials. Made in the UK to the highest quality specification.