I recommend you to use the white lawn guardrail, which is cheap and economical. Cangzhou Rong Sheng guardrail factory co., ltd is located in Yanshan mountain range of Cangzhou near Dezhou. Specializing in the production of all kinds of PVC gardening green guardrail, lawn guardrail, transformer guardrail, factory fence guardrail, flower bed guardrail, wrought iron fence and so on. The quality is good and the price is not high. I'll give you a picture link, and you can look at the renderings, which have contact information.