For some, an ocean full of plastic is the last straw.

That's why a growing number of environmentally concerned restaurants in Japan are doing away with single-use plastic straws in favor of reusable silicone and stainless steel ones as a way to combat the global plastic waste crisis.

But while reusable straws have been selling briskly at chain stores, especially among young women, some people are hesitant to use them for fear of standing out or simply because reusable straws are a hassle to clean.