60% Cotton / 40% Polyester Embroidered logo detailing  Customized (b). hardware clasp Includes 4 LEDs with a light output of 48 lumens, powered by 4 CR2032 batteries (included & replaceable) *This item is made to order  and ships in 2-4 weeks. Please note that the estimated lead time for delivery is 2-4 weeks from the time you place your order.