The plastic square post end cap is designed for 100x100mm square tubes, providing a reliable and professional finishing solution. With a dimension of 100x100mm, it fits perfectly onto square tubes, offering protection and enhancing the overall aesthetics. The cap features a wall thickness of 5-8mm, ensuring durability and resistance to impact. It effectively seals the ends of the tubes, preventing dust, debris, and moisture from entering, thereby preserving the integrity of the contents. Made from high-quality plastic, this end cap is suitable for various applications in both indoor and outdoor settings.