Here is a beautiful set of hand painted glasses to purchase, but if you'd rather give glass painting a try yourself here are some supplies, a how to book and glass painting how-to articles to get you on your way. Have fun!
Hermosa, set of 2, vsilcoxdesigns
Vintage Apperitif Glasses, tandemstudios
Vitrea 160 Liquid Colors, Slumpy's
Vitrea 160 Frosted Felt Tip Pens, Slumpy's
Dynasty B1400 Synthetic Brush Set, Mister Art
The Complete Guide to Glass Painting, Alan Gear