Cotton,Mesh,Nylon,Snap closure, Adjustable snap closure: classic mesh back-quilted comfort sweatband. This black cap is made of 100% high quality material and one size fits all. Enjoy a baby gender reveal party hat that is kind to your head. Designed with mesh back, complete with an adjustable strap back, this beer trucker hat will be loved by every member of your party. Perfect for Gender Reveal Parties : Add a special event to your baby gender reveal party by giving everyone an exciting surprise. Makes for a great event at any kind of gender reveal party. gift idea :This gifts are guaranteed to bring joy to your special guy on his big day. Cute pregnancy expecting announcement mesh hat , announce the sex of the baby. Surprise family & friends. Perfect for Gender Reveal Parties : Add a special event to your baby gender reveal party by giving everyone an exciting surprise. Makes for a great event at any kind of gender reveal party.