A natural cot bed mattress with a Twist! Each breathable mattress is entirely chemical-free, with a layer of natural latex (sap from the Hevea tree) for added comfort and uniquely designed for both babies and toddlers. A double-sided mattress that offers a choice of firmness to grow with your child; a firmer support on one side that is ideal for babies (as recommended by FSID) and a more supple latex support on the other, for when your baby becomes a playful toddler Natural Latex is a breathable layer of 100% pure natural latex (sap from the Hevea tree) which creates a supple and comfy support that is chemical-free and extremely durable (withstanding even the most boisterous of toddlers!). Measures 70x140cm and is ideal for standard sized cot beds and comes with a 5 year guarantee. The combination of the wool and cotton acts as a natural fire retardant, meaning that no fireproofing chemicals are used and each one of our mattresses passes UK fireproofing regulations (BS 7177) naturally. The durable, non-removable cotton cover is water resistant, however we advise that you must use a mattress protector to keep your mattress clean and dry for longer. We recommend a breathable 70x140cm Waterproof Mattress Protector, to create an anti-dust mite layer and protect your baby's mattress from any wetness. We also sell an organic bedding set. The set contains the following: Large Jersey Baby Blanket in eco-white 2 x Jersey Fitted Sheet i eco-white Waterproof Mattress Protector.