cyeollo Dog Mermaid Costume, Size L, Adjustable Fit and Warm Layer

The cyeollo Dog Mermaid Costume is a dress-up outfit for dogs, with adjustable hook-and-loop neck and belly fasteners and a thickened middle layer designed to add warmth.

• Bright, colorful mermaid look — helps your dog stand out for festive photos.
• Designed for small, medium, and large dogs — choose a fit using chest and back length.
• Soft, skin-friendly material — made for wearing during daily activities and celebrations.
• Suitable for Halloween, parties, birthdays, Christmas, Valentine’s Day, and New Year — one costume for a range of occasions.
• Adjustable neck and belly fasteners — let you tailor the fit to your dog.

For Halloween pictures, holiday gatherings, or a bit of dress-up at home, this mermaid costume gives your dog a colorful outfit for the occasion. The listing identifies this costume as size L and also describes it for small, medium, and large dogs; body shape varies between breeds, so chest and back length are important when choosing a fit.

How does the costume fasten?

Hook-and-loop fasteners at the neck and belly allow you to adjust the costume to your dog’s size. The adjustable design is intended to let dogs move freely while wearing it, making it suitable for dress-up without relying on a fixed fastening position.

• Separate adjustment points at the neck and belly.
• Fasteners can be tailored to your dog’s fit.
• Designed to allow comfortable movement while worn.

What is the costume made for, and when can my dog wear it?

This dog mermaid outfit is made for festive dress-up and everyday wear. Its bright, colorful appearance is intended to make your pet stand out at Halloween and in photos, and it can also be worn for weekend parties, birthdays, Christmas, Valentine’s Day, and New Year celebrations.

The material is described as soft and skin-friendly, with a thickened intermediate layer designed to help keep your dog warm and cozy. This added layer makes warmth part of the costume’s design, alongside its mermaid-style holiday look.

• Wear it for holidays, parties, birthdays, or daily dress-up.
• The colorful design is suited to festive pictures.
• A thickened middle layer adds warmth.

How should I choose the size?

Measure your dog’s chest and back length before choosing a size. The product title identifies this version as L, while the costume is also described for small, medium, and large dogs; dogs of the same breed can have different body shapes, so use your individual dog’s measurements when deciding on fit.

• Size shown in the product title: L.
• Key measurements to take: chest and back length.
• Consider your dog’s individual body shape when choosing.

This costume suits dog owners looking for a mermaid-themed outfit for holiday occasions, parties, photos, or everyday dress-up. It combines adjustable neck and belly fasteners with a warm middle layer and a colorful look, with chest and back measurements helping guide the size choice.