With a wide-opening design, the splashproof Blocker Zip Sack offers the easiest access to its interior, making it the perfect part of a packing system to organize toiletries, camp kitchen essentials, or a first aid kit.. . Versatile materials: Lightweight 70D polyurethane-coated nylon materials are a tougher, more resilient cousin to the ultralight BlockerLite materials. More durable and versatile, these materials are great for all-around use and provide dependable splash protection.. Zippered accessibility: Protective splashproof zipper opens easily and widely, allowing quick and convenient access to interior.. Durable construction: Fully welded seams result in stronger and more durably protective construction compared to sewn-and-taped seams.. Efficient-Packing: PackTight