Baker fly sheet pony to warmblood5 A Baker PVC Fly Mesh Sheet with Neck Cover offers a high level of insect protection. Manufactured of 1000 x 2000 Denier polyester coated mesh fabric, which is specially formulated to withstand fading, mildew, soiling and wear and tear. This mesh keeps harmful UV rays, dirt and grime away keeping your horse cleaner. This sheet can be used to layer over turnouts to increase life of the turnout as well as to keep the snow directly off the waterproof