If you are looking for a practical and durable barrel covers, then your research is here. That's because our products can meet your needs. It is made of iron materials and craftsmanship, durable and practical, and can provide you with stable working performance.Features-Color:White-Material:Iron- Size: 7.00X9.00X1.00cm/2.75X3.54X0.39in - Size: 3.50X0.22X0.22cm/1.38X0.09X0.09in -It is fit for tight or closed oil drums, a good choice to replace your old ones.-It increases the sealing effect and can prevent the leakage of the liquid during storage or transportation.-After excellent processing, the surface the drum caps is smooth and safe to use.-These sealing covers are durable and anti-corrosion, easy to hold and easy to unscrew.-The barrel stopper is made of premium iron material, durable and anti-corrosion.Packing list: 20 x Sealing Lids L20 x Sealing Lids S