They do make great gifts, but if you lack the wicker culinary transport, a cooler or simple backpack will suffice.
Food poisoning is no fun.
Be conscious of your food choices, and opt for foods that keep and travel well. If you choose foods that must remain near a certain temperature, make sure you have the means to keep them at the proper temperature no matter what. Aside from your beverage of choice, be sure to bring along plenty of water. It is easy to dehydrate in our heat and humidity, so make sure you drink enough of this natural coolant. Mother Nature's playground should be enjoyed, not turned into a garbage dump.