That spa quality towel everyone wants for home but can never find all depends on the weight/density of the terry cloth which is measured in grams per square meter (GSM). Different weights of towels offer varying levels of thickness, absorbency, and durability. Generally speaking the lower the GSM the thinner and less absorbent the bath towel will be. A mid to high GSM for a bath towel is somewhere between 450-650 GSM. These towels have a significantly denser terry cloth resulting in a more absorbent fuller and fluffier towel. Towels with 700+ GSM are extremely dense and stiff. Generally you´ll find this thickness of terry towelling being used for bath mats and rugs, a thickness which is the appropriate for this type of hard use. At DEIA Living we recommend a 600GSM for daily use which is what we use across our bath towel ranges. Our towels offer a super fluffy spa like finish with the ability to be very absorbent yet also fast drying from the very first use. Of benefit is that all our towels are made from Egyptian cotton which enhances the quality of the towel by increasing absorbency and durability.