As a makeup artist, having good, high quality makeup brushes is one thing I made sure I always have in my makeup case. However, whenever I travel (private vacation) I would only bring my personal makeup and brushes.. Bobbi Brown is my favorite at the moment.

Luxurious collection of Bobbi’s most essential, Professional Brushes that consists of Eye Liner, Concealer, Eye Brow, Lip, Powder, Blush, Eye Shader and Eye Shadow Brushes. Encased in a soft zip-around case with interior pockets. In black faux-leather with camel contrast stitching, perfect for travelling.

Available at major departmental store, selling at $225 per set. Get it, ladies!
I highly recommend this one.