Hubco - Geological Sample Bags and Parts Bags Hubco Geological Samplebags - Sold as 100 Count Oilfield geological sample bags. Multi-purpose bag for nuts, bolts, washers, and fittings. High-count, bleached, back-filled fabric. Strong white drawstring. Comes packed 100 per convenient dispenser carton/1000 per case.Length: 6 in.Width: 4 1/2 in.Weight: 0.02 lb.