mouldworldservice Kidyson Molding Company is the manufacturer of  plastic enclosure, inclode the plastic bucket and and lids,  this lids are slotted to provide tamper evidence. Some or all of the areas directly below the slots around the rim will have to be broken or cut to remove the lid. While the covers can be reused, you will be able to tell that the bucket has already been opened after the first time it is taken off. This lid is recessed for stacking stability and it has reinforced ribs to provide stacking strength.  We offer custom  services to customers, you can get different size and color of the lid in our factory. Welcome inquiry.