Laytech Plus Mattress is made with a unique upper layer of medical foam which is very durable and comfortable. In addition to it being comfortable and durable it has unique qualities including being effective against dustmites, MRSA and asthma. It also provides edge to edge support with no roll together. A Medica Foam with Ultra Fresh mattress is made with upper layer Laytech sheet with reflex foam base giving your body extra comfort and luxury support. Laytech gives all the same great features of natural rubber latex, luxury feel hypoallergenic, high resilience etc but with the added benefit of improved performance at lower density and ease of handling. Specification 20cm thickness 20mm of Laytech Dry cleanable cover Zip off cover Protects against Bacteria & Fungi Protects against Asthma & Allergies Anti Dust mite Effective against Dustmite Effective against MRSA Effective against Asthma Edge to Edge Support No Roll together Silent Mattress Made to British Standards/Regulations For more information please visit www.ultra-fresh.com Mattress Sizes Single 3ft (W90 x L190 cm) Small Double 4ft (W120 X L190cm) Double 4ft6 (W135 x L190 cm) Kingsize 5ft (W150 x L200 cm) Super Kingsize 6ft (W180 X L200cm) This mattress is rolled and vacuum-packed, so please allow up to 12-24 hours to expand to its natural depth before use.