M & F Western Unisex Hat Retainer - 01027 Retain Your Hat Size And Re-Stretch Your Hat Using This Handy Gadget! Our hat retainer is made of sturdy black plastic Fits hats sized 6 3/4" to 7 3/8" You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!