Harvest Stacks turn 100% natural, hand-sorted Oxbow Western Timothy hay into compact, easy-to-serve portions. Thanks to special compression, they create 80% less airborne dust than loose hay. • 80% less dust than loose hay when fed as directed • Compact, easy-to-serve portions • Handy for travel or when storage space is tight • Use as the main hay source or alongside loose hay A tidier way to serve hay every day.