This classic cap with a curved visor and adjustable metal closure is enhanced by 100% recycled polyester. The fabric is certified by GRS. Interior details include logoed seam tape in cotton; Cut in 6 panels with stitched eyelets. Embroidered our signature heart-shaped logo on the front and "hoya kerry" logo on the side. 1 cap used about 5 post-consumer PET plastic bottles.