https://www.cots4tots.co.uk/categories/bedside-cot-beds Choosing a Bedside Cot Mattress Choosing the right mattress for your cot bed is vital to your baby's health and well-being. Mattresses that are firm prevent infants from sinking into the mattress, which can hinder their breathing. This mattress is GREENGUARD Gold Certified and free from fiberglass, formaldehyde and flame retardants. It also comes with a two-stage design, with one side for infants and the other for toddlers. Waterproof You should choose a mattress that is waterproof for your crib bed. This will help keep your crib clean and stop the growth of bacteria or mold. It will also shield the mattress against urine and feces as well as other mess. The best crib mattresses for babies are made from organic materials and feature a protective barrier that will not release any harmful chemicals into the air. These features make it easier to clean the mattress and keep it sanitized and help keep your baby’s skin healthy and free of allergens. Make sure the waterproof mattress you purchase is ventilated. Not all waterproof mattresses will allow your baby to breathe and circulate. This could lead to suffocation or other health issues. The best waterproof mattresses will be able to absorb moisture and heat from your baby's body so that it can breathe and stay cool. Another crucial aspect of a mattress that is waterproof is that it should not contain any chemical flame retardants. These chemicals have been linked to a variety of health issues, including endocrine disturbance and developmental delays. The best mattresses will contain a layer of cotton and organic materials, preferably GOTS-certified to stop these chemicals from leaking through the outer layers and contaminating the skin of your baby. Additionally consider mattresses that have a natural fiber core that is free of foam or PVC. Some manufacturers mix cotton and polyester in order to make a sturdy and affordable hypoallergenic mattress. The mattress al