Molded of high impact plastic. Textured black lid is hinged with stainless steel pins and contains a marine push-button lock with 2 keys. In open position lid serves as a beverage holder. Door: 13-1/2"L x 5-1/2"H. Box: 11-7/8"L x 4-3/8"H x 6-3/4"D. Installation hole size: 12-1/8"L x 4-5/8"H.