Material: The Camping Adapter Gas Conversion Head Adapter is made of high quality material, fine workmanship, beautiful design, durable, lightweight, strong and sturdy. Auto shut-off function: This metal gas bottle adapter has an auto shut-off function. Plug in the long tank gas bottle and it won't leak even if the electric stove is not plugged in. HIGH PERFORMANCE: Camping gas adapters are used to adjust the long flat gas tanks of the gas tank. This saves costs. Applicable uses: Gas Cartridge Adapter - Suitable for oven types. NOTE: Gas cylinders and gas tank nozzles are not included. IDEAL AND PORTABLE ACCESSORIES: The stovetop burner adapter is lightweight and portable, easy to carry and store, and easy to use. Camp stove adapter for camping burners, hiking, picnic burners,hunting and other outdoor activities. Size: 3.9*2.8cm/1.5*1.1in