This fun SpongeBob Plastic aquarium is great for beginner aquarists and kids! The perfect size for desks counters and other small areas the .5 gallon tank measures 7.5? x 3.5? x 7.5?. The aquarium kit features a cover water release cap for easy water changes colorful background and fun stickers for you to add on. Specifically made for freshwater fish the tank is perfect for small fish like bettas. The tank is easy to set up and maintain so join SpongeBob on his underwater adventure with this small fish tank by Penn Plax.