describe: Material: metal, polyvinyl chloride Color: dark green Connector type: tee, elbow Number of pieces: 10 pieces About this product: Great for providing support and creating a frame on any structure. Ideal for display items such as greenhouses, dog and cat beds, sheds, tent connections, tomato support frames, furniture, shelves, pool products and more. Inner diameter: 11 mm. Suitable for 11mm outer diameter PVC pipe or metal pipe. Made of high-quality PVC furniture-grade material, stronger and more beautiful than ordinary PVC accessories, high quality and long service life. Suitable for indoor and outdoor use. They are designed to withstand impact, can hold heavier weights, and have a higher manufacturing process than regular tees. Ideal for edge, corner and center joins. Easy to install. This is a quick and easy solution for building any type of 11mm PVC or metal pipe. Each pack contains 10 pieces.