1.100% cotton twill baseball cap with a sandwiches 2.OEM is welcome 3.size, ... circumference, 15-15.5 cm in height 100% cotton plain baseball cap fabric, 21*21 cotton twill,velcro closure at back ... artisans to handle the hand knitted items,like hats, scarf, gloves, etc., we are producing hand-knitted items for many fashion ...