Buffer Valley 4840 Pallet Bin The Pallet Bin 4840 is a 40 bushel seed storage unit. This portable grain bin is used in a variety of ways: to store screenings from seed cleaning, small quantities of pedigree and foundation seed for seed growers, leftover treated seed, feed for livestock, and fertilizer for the everyday farmer. Think of it as a rigid, long lasting bulk bag, but instead of being cumbersome it is accessible, secure, and versatile. The Pallet Bin 4840 can be stacked two high. Effectively, your grain storage space will be maximized! By far the most useful aspect of this bulk feed bin is that it can be moved around with ease. The perfect solution for seed growers, research labs, or the everyday farmer.