The Balloon Cactus features a globular or cylindrical stem covered in numerous small, closely spaced tubercles. These tubercles give the cactus a textured appearance, and they are typically adorned with dense clusters of stiff spines. The spines can range in color from yellow to reddish-brown and serve as a protective mechanism against predators.

When in bloom, the Balloon Cactus produces vibrant and showy flowers. The flowers are usually yellow or orange, although some varieties may have shades of red or pink. These blossoms emerge from the top of the cactus and add a burst of color to its already eye-catching form.

Balloon Cacti are relatively small in size, typically growing to a height of 6 to 8 inches (15 to 20 centimeters) and spreading to a similar width. They are well-suited for indoor cultivation, as they can thrive in containers or as part of a succulent arrangement. They require bright, indirect sunlight and well-draining soil, and they have low water requirements, with the soil needing to dry out between waterings.

With its charming spherical shape and striking spines, the Balloon Cactus is a popular choice among cactus enthusiasts and collectors. Its unique form, coupled with its vibrant flowers, makes it an attractive addition to any succulent collection or desert-themed garden. Whether displayed indoors or outdoors, the Balloon Cactus adds a touch of whimsy and natural beauty to any space.