Who Makes Kayflex And Where Are They Made Kayflex is one of the UK’s lead memory foam mattress manufacturers. As well as foam and traditional mattresses they also produce foam toppers and pillows, all to the highest standards and designed to provide support and comfort. What Is Inside Kayflex And What Makes Them So Good Specialising in foam and latex, their range includes mattresses, mattress toppers and pillows which offer great value compared to a traditional retail mattress.They offer affordable and comfortable mattress solutions for all as well as tailored foam converting and cutting services to local manufacturers and traders. They are the largest vacuum packed mattress company in the UK, with most of their range being rolled for convenience. This means same day dispatch is widely available if your order is placed before 10.30am. Every aspect of the manufacturing is controlled, from foam converting to Micro-quilting and yet still provide a 5 years warranty and 1 year guarantee.