It depends on how much wood shavings you want to put in it, as shown in the chart below.
|Bedding thickness||Number of bags
(3 cubic feet)
On average, customers apply 6 inches of shavings on the floor of the stalls to ensure a good level of comfort for the horse and an excellent absorption rate. However, if the stalls are equipped with rubber mats, less bedding thinkness is required.