Part of the Star Wars Shades line for kids.

From the manufacturer:

Become the galaxy's greatest bounty hunter with Star Wars Boba Fett Sun-Staches. Sun-Staches provide 100% UV 400 protection and ultimate party fun. These one-size-fits-most sunglasses transform you into the Star of the show; whether it's a themed party, pop culture costume, or your favorite character. As seen on shark tank, these sunglasses are comfortable and perfect for children! Sun-Staches can instantly transform anyone into the life of the party or the most interesting person at the supermarket. Show off a favorite character or just have fun! Would you rather play a game of ultimate Frisbee with some boring guy without glasses or your Neighbor who just happens to be wearing a Leprechaun mask and having the time of their life? Our thoughts exactly.