Retails for $5.99.
From the LEGO website:
Transform any bag into a LEGO® Star Wars bag with this 5005818 Boba Fett Bag Tag. Colored and shaped like the infamous Mandalorian bounty hunter, this 100% silicone tag is flexible and durable. It’s also easy to attach and has plenty of space on the back to write your contact details.
Boba Fett Bag Tag is made from flexible, durable silicone in the shape of a Boba Fett LEGO minifigure with space on the back to write contact information.
Measures over 5" (15cm) long and 1" (5cm) wide.