"Summit Twist ""Super"" - This carpet is comfortable, long-lasting, and will withstand the test of time thanks to its traditional 80/20 blend of pure new wool and synthetic fibres. The composition of 80% wool, 20% polypropylene makes it a highly durable carpet at an affordable price.Available here in the economic ""Super"" grade at 1100g / m2 Summit Twist can also be supplied in an ""Elite"" Version at 1350 gr/m2 or in the enhanced ""Exclusive"" weight of 1695gr/m2. Please note: All sizes (width and length) have cutting and manufacturing tolerances of plus or minus 1.25% - this is an industry standard and you must take this into account when ordering."