The House Of Emily Men's Huge Massive Terry Bathrobe + Matching Belt 100% Cotton 400GSM Quality.Weight of each bathrobe is 1500 grams approx. Shawl Collar. Terry Towelling. Unisex. 2 x Front Pockets & Matching Belt. Size: Length (excluding the Shawl Collar) - 53" (133cm) approx. Chest - 67" (168cm) - 70" (175cm) approx. Machine Washable. Can be tumble dried. The quality of towels is determined by the GSM (grams per square metre). Cheap quality towels have a GSM of between 200 - 300. Better quality towels have a GSM of between 400 - 500. Superior quality towels have a GSM of 500+. The more grams per square metre means that the towelling is thicker, more absorbent and longer lasting.