Developed to give a range of options - there's a lid type to suit your chosen bait. Flip Top Lid: -Fast access Flip Top Lids keep bait dry or sealed Perfored lid: -Clear perforated lids with tapered anti-clog holes -Lid perforations are fenced in to prevent bait escape Flip Top Perforated Lid: -A combination af the original options -Fast Access and perforations in one lid -Designed to prevent wet or lively bait from escaping