Specifications: Size: 5 x 2.5 inch Quantity:100 Pcs In warehouses or logistics centers, these labels can be used to track and manage the status of stored items such as gas cylinders, gas cylinders, etc., helping staff quickly identify and process them. In medical facilities such as hospitals or clinics, these labels can be used to identify the gas supply status in medical equipment, such as oxygen cylinders, nitrogen cylinders, etc. In ships or marine engineering facilities, these labels can be used to identify the status of gas supply systems on board, such as compressed air, gas, etc., to ensure the safe operation of the ship.