Slow your greedy feeder down for better digestion and extended stable activity. Very small holes let hay or haylage out slowly and make the horse have to work harder and greatly reduces the amount of wastage on the stable floor. Longer forage time means less opportunity for boredom and inactivity. Mesh size: 3cm (1.25"). Small: 30" (76cm) long, capacity: 3.5kg, Medium: 39" (99cm) long, capacity: 5.5kg, Large: 47" (119cm) long, capacity: 11kg. Mesh size can be +/- 0.5cm. Capacities are approximate and given only as a guide to the differences between haynet size.