1.HD Perspective: clamshell transparent visible tempered glass, can seal food quickly and clearly. 2.TEMPERATURE RETENTION It features a bottom tray with space for two fuel burners at the bottom of each buffet warmer, which can keep food warm for extended periods of time and ensure even heat distribution. This is ideal for serving at the buffet and other situations where you want to keep food warm for extended periods of time. 3.COMPACT USER FRIENDLY DESIGN Using food grade tempered glass with good heat resistance. High quality tempered glass will not rust, corrode or discolor, is durable and chafing dishes are sturdy to ensure the buffet heater can withstand daily use. 4.Wide Applications Chafing Dishes with 2L capacity are suitable for any occasion to keep food warm, making them ideal for buffets, breakfast areas in hotels, brunches, catering, parties, wedding banquets and self environments to serve guests and keep food fresh and delicious.