Calling all crafters and DIY fashionistas! This pack of 12 classic black round hat bases is your blank canvas for creating stunning, one-of-a-kind fascinators and cocktail hats. Each base is about 4.3 inches (108mm) in diameter and 19mm thick, made from traditional sinamay material (a stiff, breathable cloth). The black color is super versatile and matches everything. They’re lightweight, comfortable to wear, and won’t easily break or wrinkle. The best part? You get to be the designer! Glue on beads, feathers, lace, mesh, flowers, veiling—whatever speaks to your style. They’re perfect for making unique headpieces for weddings (think bridal party or guests), garden tea parties, birthdays, derby days, masquerade balls, or even just a fancy night out. They also make a fantastic, thoughtful gift for the creative woman in your life. Unleash your inner milliner!