High Quality:This high-quality outdoor steam lamp is made of thorium-free rayon.Gauze Mesh; Non-radiative, durable and easy to fit.High brightness and strong resistance to anti-knock. Widely Used:Fit most makes of propane Lamp pressure Lamp gas lamp, kerosene lamp,such as BL300-F1 gas lamp etc. great accessory. Repeated Use: Long time, to meet the long-time outdoor lighting needs without electricity. Note:When using, be careful to tie it to the lamp cap and not to pull too hard on the drawstring when getting it tight before putting a knot in it Material:Thorium-free rayon colour:White + Green Package Contents: 20 x Propane Lantern Mantles Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.