Hair Brush: This is the product category. It's a tool used for grooming, styling, and detangling hair.

9511-81: This is the specific model or product number. Manufacturers use these unique identifiers for inventory management and to distinguish between different models in their product line. The number itself doesn't provide specific information about the brush's features (like bristle type, material, or shape), but it's a key identifier for locating the exact product.

Inferred Features (based on common hair brush types):

Without more information, we can only describe the general types of hair brushes that this model could be. The design and features of the brush would depend on its intended purpose:

Bristle Type:

Boar Bristles: Known for distributing natural oils, adding shine, and smoothing hair.

Nylon or Plastic Bristles: Excellent for detangling, especially for thick or curly hair.

Mixed Bristles: A combination of both for a balance of detangling and smoothing.