Designed to offer a range of options. There is a lid type that suits your chosen bait. Flip Top Lid: For quick access, bait keeps dry or sealed. Perforated lid: Transparent, perforated lid with tapered anti-clogging holes. Lid perforations are limited to prevent the bait from escaping. Perforated flip-top lid: Combination of the two options, quick access and perforation in a lid. Designed to prevent wet or lively baits from escaping. In any size with a modular base and with an easy-to-attach and detachable lid, which is securely closed on all four sides by Klip-Lok® fasteners. The lids can also be used between all boxes of the assortment. Made of robust, injection-molded polypropylene. With tapered air holes, positioning feet for clean and secure stacking and networked lid perforations to prevent the bait from escaping.