Door and Window Screen, Screen Material Aluminum, Width 48 in, Length 50 ft, Wire Dia. 0.011 in, Charcoal, Mesh Size 18 x 16, Mesh Size Range Medium This product contains a chemical that is regulated under California Proposition 65. Warning: This product contains a chemical known to the State of California to cause cancer. Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. -