If you want to build a customized rotomolded cooler,you should know which kind of latch you want to use first. Many USA brands(such as YETI coolers, Igloo cooler,RTIC coolers and so on) regisger their latches' patents to protect their designs. So Latch designs if the first step for your coolers customized design.
These latches are built to withstand the pounding out on the trail or on the rough sea and they’ll also last for years on your rotomolded coolers. Same goes for the latch keepers, which are molded directly into the cooler’s body.
Heavy-duty rubberized Silicon latch design enables snug closure Withstands harsh marine conditions and weather Extra-large curved finger grips for easy latching and unlatching