23kg small bags are 5 for the price of 4! An very popular addition to our decorative gravel range, Cotswold chippings are a great looking light buff coloured stone chip ping, that make a fantastic option for garden borders, 20mm in size, this stone is available in jumbo bulk bags, half jumbo bulk bags or 23kg small bags - see our bag size guide below. 20mm Cotswold Gravel in Small & Bulk Bags | AWBS Please note: You are currently browsing img bulk bag cotswold stone chippings garden street that is 665x665px in size. This image is listed in decorative garden stone chippings category. 20mm Cotswold Gravel in Small Bulk Bags AWBS, 665x665 in 137.36 KB.