Features: Package Information: you will get 4pieces of plastic post skirts, for wood post hand and stair rails; Sufficient quantity will meet your using needs, and you can share them with your family Durability:these post base cover craft plastic material, waterproof and sturdy, strong and durable, with smooth and fine workmanship, not easy to break or fade; Size Details: our column wraps for porch have proper size, the inside diameter is approx. 4inches/ 102mm, outer diameter is approx. 5.79inch/147mm, height is approx. 1.43inch/3.64cm, suitable for posts in 4x4inches; Please confirm the size before purchase Widely Applicable: you can use these deck post bases on various occasions, they matching well with the surrounding decorations, add more details, to make decorations look more elegant and simple Easy to Use: our plastic post sleeve is easy and simple to use, there is no need to remove the railing and the ends can be easily clipped together to snug the column, not easily separated; Specifications: Material: Plastic Size:Approx.15x15cm/5.91x5.91inch Color:White Inside diameter:approx.4inch/ 102mm Outer diameter:approx.5.91inch/15mm Package Includes: 4pcs Post Skirt note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.