Easy to use: simply buy your own PVC pipe in the desired size and slip it into these fittings. No need for glue or adhesive.PVC Connectors: Sturdy PVC pipe elbow fitting, ideal for edge, corner and center connections, frost resistant, long service life.Durable: resistant to low temperatures. Impact resistance. Resistance to ultraviolet rays. Resistance to corrosion. They are designed to be impact resistant, won't crack or break. Easy to use: just buy your own PVC pipe, cut it to size and slip it into these fittings. That's all. No need for glue or adhesiveRevolution in construction: build raised beds, frames, furniture, shelves, greenhouses, swimming pool products, chicken coops, etc. Note: the data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.