Size: L:140 H:0.5 W:70 (cm) 100% Indian Cotton. These luxurious super soft Black Hand Towels are made from 100% Indian cotton. They are highly absorbent and durable and have super soft feel and each hand towel weights approximately 225g. With a density of 500gsm and available in a Black colour, this towel have high durability and will maintain their quality even after being washed repeatedly. What is GSM? GSM stands for Grams per Square Meter and is essentially the weight/density of the towel. A higher GSM rating of around 500 to 600gsm indicates a more thicker, dense towel which will be more durable and longer lasting than a towel with a lower GSM rating. It's usually tempting for institutions to consider getting cheaper, alternative towels with a lower GSM rating but it's not cost effective to do so in the long run.