Using this Liverpool FC lunch bag is a breeze. Just unzip the double zippers to put your food inside. The carry handle makes it easy to take with you wherever you go. When it comes to maintenance, simply wipe it clean with a damp cloth as it's made of wipe - clean polyester. As for precautions, avoid overstuffing the bag to prevent damage to the zippers. Also, don't expose it to extremely high temperatures or sharp objects to keep it in good condition.