The Little Green Sheep Twist mattress is our best selling range, backed up by countless Awards over the past eight years.A firm side provides the optimal support for baby up to 12 months, as recommended by safe sleep experts. When the baby becomes a playful toddler, you can simply twist the mattress for a more supple, comfy and durable support that will last for years to come. Using only natural ingredients, the Dual-Sided Twist Mattress has been designed to provide little ones with the right support as they grow from baby to toddler and beyond. Latex: A layer of natural latex acts as a layer of memory foam and works with the coconut coir core to provide the correct progressive support for your toddler as they grow. Use this side up for Toddlers. Coconuts: The mattresses core is created from thousands of Coconut fibres blended together with natural latex to act as thousands of tiny springs, providing support and reducing pressure points.