Follow link to MSU Study SAND SAVER FLEXI-GRID DETAILED DESCRIPTION Made from 100% recycled rubber tires. Prevents ruts from being dug and reduces animal injury costs due to uneven footing. Reduces required sand costs by 50%. Easy installation and recommended to be zip-tied together for greater stabilization. Helps bedding stay dry for longer periods of time SAND SAVER FLEXI-GRID FEATURES Suitable for soil stabilization. Simple and Quick Installation. Flexible – will not break. Environmentally friendly. Long lasting, durable product. Size: 47” L x 47” W Thickness: 1 1/2″ Weight: 85 lbs Colors: Black Applications: Soil Stabilization, Dairy and Equine Sand Stalls. Shipping: 25 per 4′ x 4′ x 4′ Skid = 2,200 lbs.