The C1300 Series concession serving windows come with standard tempered glass windows and screens and an awning door on gas shocks that closes up when not in use, Has key locks for security. The windows slide either side to side or up and down. The windows are prehung and ready to install. To get the most accurate fit and options to suit your needs a consultation with our owner, Fred, is required before we will accept an order. This protects you, the consumer, as these windows are expensive and our goal is to ensure the product suits your application perfectly. Please Note: This item is non-returnable due to its custom nature.