Our Bubbles are made using only the highest quality materials, to provide the safest, most enjoyable, once in a life time experience! We promise you will never forget! The bubbles range in size according to the amount of people. We have 1 person, 2 person, 3 person, and 4 person Bubbles! Each bubble has a 36inch waterproof zipper opening for easy access in and out of the bubble. All Bubbles are made with a 1mm thick PVC material that can easily glide over the sand and seashells at any beach location!