Gatsby (R) Slow Feed Hay Net Encourage slower consumption of hay and allow for less waste! Made of the strongest Challenger poly hay cord for long-term use, the large 40" size holds plenty of hay, while the 2" holes are ideal for keeping horses busy, whether stalled or on-the-go at horse shows. Features: Strong Challenger poly hay cord material Great for keeping stalled horses busy Attaches easily for trailering 2" holes Item Specifications: Size: 40" Material: Challenger poly hay cord Gatsby(R) Your Horse, Our Purpose. Founded in 1979, Gatsby(R) is one of the industry's most recognizable and credible equestrian brands. They are founded on the belief that the more time you spend with your horse, the better - that's why the products designed by Gatsby(R) make sense for the barn and for your budget.