Though the exact contents of turtle-habitat kits vary among manufacturers, kits generally contain the most essential supplies for creating a healthy habitat for a turtle. Such supplies include a 20 to 40 gallon tank, light fixtures and bulbs, a type of filtration system and a basking platform or dock.

Turtle-habitat kits also typically include a thermometer, turtle food and water conditioner. A complete habitat kit comes equipped with a lid or topper. Some come with screens while others have hoods similar to those used on fish tanks. A complete guide for proper turtle care is included as well. Some kits include additional supplies, such as treats or aquatic plants.