The Trex 48'' Post Sleeves in Charcoal Black are designed for use with 4x4 posts, providing a sleek and stylish option for garden fencing, privacy screens, and gates. The brand's reputation for quality and durability ensures a long-lasting and reliable solution for your outdoor living space. The attractive black color complements a variety of outdoor designs, making it a versatile choice for enhancing your yard or garden. CONTINENTAL USA SHIPPING ONLY-NO PO BOXES