Have you ever been to the beach? You have probably seen people taking in the sun on standard sized beach towels or even smaller than normal towels that just don't fit their body.
Many people don't mind or are just used to having their feet hang off their towel. Others bring non beach friendly alternatives that can make for a big mess. Blankets that trap sand and even bed sheets! These folks are just looking for an alternative to the "normal" size towels of every day.
One day at the beach the creators of Monster Towel made this observation and said why not just make a really really big towel? Some of the obstacles were obvious. Would It would be too big to transport and too heavy? Would it cost too much?
The solution was in the material. Making a huge towel out of microfiber cloth made it think enough to roll up