Our Premium Series Base Protector Screen Systems are available in #36 and #60 Nylon Netting and can be purchased with or without the Frame or Wheel Kit. Our Nylon nets are built with only the highest tenacity materials. Nets are built with a double panel pillowcase style construction that simply slips over the frame for easy installation (draw string included). All nets are UV treated and stabilized for maximum protection from the weather and the suns harmful UV rays.