Celebrate Halloween (or any day!) with this Karen Smith Sticker featuring her unforgettable line, "I'm a mouse, duh!" 🐭 This high-quality vinyl sticker shows Karen in her iconic mouse costume from the "Mean Girls" Halloween party scene—perfect for fans who love her endearing cluelessness. Stick it on your laptop, water bottle, phone case, or planner, and let Karen bring some humor into your day!
 
✨ Details:
 
Size: 4x3.5 inches 
Material: Waterproof, durable vinyl with a smooth premium finish
Perfect for: Laptops, water bottles, notebooks, planners, phone cases, and more
Gift idea: Great for "Mean Girls" fans, friends, and anyone who loves a funny, cute twist on Halloween!
✨ Features:
 
Weatherproof and scratch-resistant
Easy to apply and remove without residue
Long-lasting, vibrant color