2.4m (8ft) Concertina mat - Pink & Light Blue Folding Mat 2.44m x 1.22m (8 foot x 4 foot) - Pink & Light Blue £130.00 Out of stock. This mat is excellent for gymnastics exercise, aerobics and more. Fully extended, the mat is 2.44m x 1.22m (8 foot by 4 foot). The mats concertina fold down into 4 x 61cm by 122cm (2 foot by 4 foot) sections to allow easy transport and storage. Mat is made from 3.5cm cross link foam, enclosed in a 0.51kg durable vinyl coated nylon cover. The vinyl cover is fire retardant, mildew and puncture resistant. Velcro strips on each end allow you to connect additional mats. Mat comes with a 1 year warranty.