Great for Horses & Humans: High fiber forage available 24/7 makes the horse happy, and a streamlined feeding process with fewer chores makes humans happy!; Mitigate Behavioral & Physical Issues: Feeding more hay may eliminate anxiety around meal time, reduce the likelihood of colic, and vices such as weaving or pacing; Best Selling Size: This Day Net is their most popular, holding about 4 flakes or up to 30 pounds of hay; Easy to Use: Roomy opening makes loading a breeze, while the large carabiner allows it to be hung effortlessly and in a multitude of situations; FF-D1: 1" mesh openings for SMALLER grazing animals. It is recommended to start transition with 1.5" mesh then slow them down further using 1" mesh only if necessary