Catnets supplies the highest quality cat netting available, and as a result is the chosen supplier for customers across the world. Our netting manufacturer is an ISO certified company, and we personally inspect the facilities on a regular basis to ensure quality is of the utmost importance. Our high quality netting is strong, long lasting & designed to last in harsh UV and sunlight. Our nets are UV treated to the maximum percentage without degrading the strength of the netting. More than that, the nets are also regularly tested in an accredited "Accelerated UV Testing facility". The netting is also "Pre-Stretched" to tension, with Heat-Strengthened Knots. This process is critical when used as a cat net, as it helps avoid stretching and sagging of your net over time. Through many years of testing, 3/4" has been determined to be the maximum hole size that is safe for cats. Catnets brand netting is the ideal choice for your catio.