The Kidsaw Reflex Foam Starter Mattress is a standard UK single sized mattress which is designed to fit the majority of our UK sized bed frames. The Kidsaw Reflex Foam Starter Mattress features reflex foam throughout, which moulds to yours or your child's body while asleep for medium comfort. The Kidsaw Reflex Foam Starter Mattress is presented with anti dust mite material to keep bugs away, with a removable, washable cover and is free from antimony, phosphorous or arsenic fire retardant chemicals and meets British standards for Government Regulations of Ignition. The Kidsaw Reflex Foam Starter Mattress is delivered vacuum packed so please allow 24-48 hours for the mattress to settle before use.