These fence post caps are made of safe PP material, with high strength, not easy to bend, wear-resistant, stable performance and . Simple structure, easy to install, no complicated tools are required. You can use them to guard your railing post of the yard, garden, courtyard and more places. Features -Color:Black -Material:PP -Size:9.50X9.50X3.00cm/3.73X3.73X1.18in -Note: Only fits inside dimensions of 4 inches by 4 inches -Wide applications: These Post Caps will not deteriorate or deform like wood, plastic or resin and will last longer in all weather conditions -Good protection: Fence post caps protect your post caps from rain and sunlight, very practical -Sleek appearance: You can paint these post caps to match the color of your fence style, and they'll add a stylish touch to the look of your home -Fine detail: These post covers can be used to cover fence posts and gate posts to prevent rust -Good experience: Outstanding workmanship, reasonable design, stable and practical, will bring you a Package list: 20 Screws