Shop for the Ottertex® 18x14 Fiberglass Pool & Patio Screen Mesh at Michaels.com. It is a strong yet flexible screening material designed for dependable outdoor performance. Made from 100% fiberglass and coated with smooth PVC, this mesh resists creasing, denting and unraveling while maintaining its shape over time. Constructed with larger diameter strands and an 18x14 mesh count (18 by 14 openings per square inch), it is built to handle outdoor exposure, including wind and light storm debris.