1000 traditional extra firm pocket springs Sumptuous pillow top finish Deep layer of ifibre Hypo-allergenic fillings Microquilted finish for comfortable sleep surface Chrome finished vents to allow good air circulation and keep the mattress fresh Durable and supportive fillings Hand tufted finish Chocolate box side stitched border Easy Care Non turn mattress Handles and vents 5 Year Guarantee All zip mattresses can be separated into two single mattresses or zipped together to create one large mattress. The zips are hidden under a fabric layer so no join can be felt when the mattresses are zipped together