8-9 oz leather, sewn with an aluminum/steel belt keeper. They are approximately 4.5 centimeters high and 4 millimeters thick. It has a tongue sewn inside of the belt with holes to put the belt buckle on. This is used for adjustment. Does not have manufacture marking or dated, but are sized marked in centimeters. We only have a few in stock and the sizes are 90 cm (30 inch), 95 cm (32 inch) 100 cm (34 waist), 105 cm (36 waist), 110 cm (38 inch), 115 cm (40 inch) & 120 cm (42 cm). Made in the USA & hardware made in Europe.