Kids Memory Foam 3ft Single MattressSareer Kids Memory Foam Single Mattress Sareer Kids Memory Foam. If you prefer a softer feel mattress that still provides outstanding comfort and support, then our Sareer Kids Memory Foam Matrah is made with your child in mind. The Sareer Kids Memory Foam Matrah provides a top comfort layer mae of specially developed extra soft material for a feeling of instant relaxation. Working in prefect harmony with the lower support layers, once you settle into