Bring the joy of the holiday season to your daily hydration with our charming 3D Printed Merry Christmas Boot, designed specifically for 20oz, 30oz, or 40oz Stanley tumblers! This festive accessory is perfect for adding a touch of cheer to your drinkware and celebrating the spirit of Christmas. Features: Durable & Lightweight: Crafted from high-quality, TPU plastic, this boot is built to last, providing protection for your tumbler while remaining lightweight and easy to carry. Perfect Fit: Specifically designed for 20oz, 30oz, or 40oz Stanley tumblers, this boot fits snugly and is easy to attach or remove, allowing for quick cleaning or style changes. 20/30oz Inner Diameter: 73.5mm; Outer Diameter: 80mm 40oz Inner Diameter: 75.5mm; Outer Diameter: 80mm