The Silentnight Tranquility 1000 Eco Mattress is ideal for planet savers. The eco-friendly mattress is made with sustainable fibres for a breathable and refreshing sleep that doesn't cost the earth. Silentnight's unique eco comfort filling is highly breathable so you can enjoy a rejuvenating and refreshing night's sleep, every night. Made from recycled plastic bottles, the Eco Comfort Fibre layer brings you incredible, sustainable comfort that allows you to move freely throughout the night and offers you durable support.