Ice Pack Cooling Blocks: This set of 6x ice blocks provides an instant cooling effect, keeping your food and drinks cool. The reusable cooling ice packs keep your cooler bags or freezers at a low temperature for a longer time. Compact Design: These freezer blocks are compact size, very space saving, lightweight, and portable, making them for backpacks, cooler bags, or coolers. Leakproof Design: Our travel freezer blocks are secured with a heat sealed lid to prevent liquid leakage. They are easy to clean and reusable; simply wash with warm water. Safe Material: The shell of the freeze pack is made from thickened PETG material filled with that is recyclable and never fails. Note Wide Application: Ice brick packs are suitable for outdoor camping, car travel, picnics, barbecues, garden parties, tourism, beaches, offices fishing trips hiking etc, they can keep your food and drinks refrigerated and fresh for several hours. Size Chart:15.5cmx9.8cm/6.10inchx3.86inch Package Includes: 6X Ice Blocks Note: Please allow slightly errors 1-2cm differences due to manual measurement.