I'm a mouse Halloween - Mean Girls T-Shirt

Get ready to spill the tea (and maybe some fake blood) this Halloween with our totally fetch "I'm a mouse" Mean Girls T-Shirt! If you're looking for the ultimate Halloween top that’s iconic, hilarious, and totally on-brand for spooky season, you've found it. Forget basic costumes – this tee is a witty nod to the best movie ever, making it a dream Halloween outfit for any fan.

This awesome tee is available in crisp white or cool grey, crafted from super comfy 100% polyester, perfect for dancing the night away at your Halloween party or just chilling with your Plastics. It features a vibrant, colourful Halloween print on the front that screams fun, not fear! Plus, it comes in unisex sizes from extra small right up to triple extra large, so everyone can get in on the action.

Here at Fun Cases, we're all about making cool stuff that doesn’t cost the earth. That’s why we plant a tree for every single order placed with us – how cool is that? And because we know you can’t wait to rock your new favourite tee, we offer free worldwide shipping straight to your door. Everything is lovingly designed and hand-printed right here in the UK, ensuring top-notch quality and unique style for all you trendsetters.

So, whether you’re heading to a Halloween bash or just want to show off your Mean Girls love, grab your "I'm a mouse" t-shirt today. It’s the perfect way for young teenagers to celebrate Halloween with a bit of sass and a whole lot of style! You go, Glen Coco!

Every Fun Cases order plants a tree through our reforestation partners — over 280,000 planted since 2019. Our cases are printed to order in the UK to cut waste, and we're always working to make our packaging kinder to the planet.

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