Here's an improved product description, designed for an e-commerce site and based on the information provided, integrated with extra details gleaned from web research (thanks to the EAN), formatted in Markdown and with at least 400 tokens:

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Transform Yourself into a Mariachi with Our Authentic Monterrey Poncho!

Ready to unleash joy and fun? With our Monterrey Poncho Size L, you'll bring the energy of Mexico directly to your party! Perfect for carnival, theme parties, Halloween, or simply to add a touch of color and originality to your wardrobe.

A Dive into Mexican Folklore:

This poncho is not just a costume, it's a true homage to Mexican culture. Imagine strolling through the streets of Monterrey, wrapped in this vibrant garment, ready to play your guitar and sing your heart out! The bright colors and traditional design will immediately transport you to a festive and engaging atmosphere.

Comfort and Quality First:

Made of high-quality polyester (100%), our Monterrey Poncho offers exceptional comfort and guaranteed durability. The fabric is lightweight, breathable, and easy to wash, allowing you to dance and have fun without worry. The L size is designed to comfortably fit most adults, offering a loose and comfortable fit.

Perfect for Every Occasion:

Mexican Theme Parties: Are you invited to a theme party? This poncho is the perfect accessory to complete your look and stand out from the crowd. Pair it with a sombrero, a fake mustache, and an imaginary trumpet for an unforgettable disguise.

Carnival and Halloween: Forget the usual boring costumes. With the Monterrey Poncho, you'll be the king of Carnival or the star of Halloween. An original and fun idea for a disguise that won't go unnoticed.

Shows and Performances: If you are a street performer, a musician, or an actor, this poncho is the ideal accessory to add a touch of authenticity and color to your performances.

Everyday Fun: Who says costumes are only for parties? Wear the Monterrey Poncho for a fun afternoon with friends and family, or simply to add a touch of originality to your day.

An Original and Fun Gift:

Looking for an original and fun gift for a friend or family member? The Monterrey Poncho is the perfect choice. A gift idea that will surely be appreciated for its originality, comfort, and versatility. Suitable for both teenagers and adults. (Adult supervision is recommended for younger children).

What the Package Includes:

1 x Monterrey Poncho Size L

Don't miss the opportunity to transform yourself into a true mariachi! Add the Monterrey Poncho to your cart now and get ready to experience unforgettable moments! ---