Love going to the beach? But sick of not being able to STAY beneath the waves for long? Then the SMACO S400 Mini SCUBA Tank is the perfect solution for you! Now you won't have to miss an opportunity to jump over a few ocean floor walls, or dive for some lost buried treasure. That's right, no longer will you be limited to that lame snorkeling! So stay under the sea for as long as you want with the SMACO S400 Mini SCUBA Tank!