The Harmony mattress features our handmade open coil spring system, meticulously crafted from the highest-grade materials to deliver long-lasting support for your baby, the added layer of delicate nursery foam provides a cushioned sleeping surface for a serene night’s sleep. Our Harmony mattress features two unique sides, one side features our signature bamboo fabric that has natural hypoallergenic and anti-microbial properties helping to maintain a germ-free cleaner environment, whilst the reverse side showcases our easy-clean waterproof training layer, ideal for those first potty training days. Designed to care, designed to last. why buy me? This sprung cot mattress measures 120 x 60 x 12cm (L x W x D) Hypoallergenic cot mattress to help reduce baby\'s allergies Breathable fabric that is designed for airflow and temperature regulation Super soft bamboo fabric Waterproof potty training side on reverse