The flexible RRL (Reinforced Rubber Lined) fire hose, Type-B, in red color, typically has the following features based on the description you provided:

1. Diameter and Length: 63 MM diameter and 15 meters in length.

2. Material Composition:

   • Three Layered Synthetic Jacket: The hose is constructed with multiple synthetic layers, enhancing its durability and resistance to wear and tear.
   • Elastomeric Outer Covering: An outer layer made of elastomer, which provides flexibility and further protection against abrasion and weather elements.

3. High Resistance:

   • This hose is designed to be highly resistant to various elements, possibly including abrasion, heat, chemicals, and weather conditions.

4. Usage:

   • Typically utilized in firefighting applications where flexibility, durability, and resistance to harsh conditions are crucial factors.

5. Color:

   • Red color is often chosen for fire hoses as it helps with visibility and quick identification during emergencies.

6. Type-B Classification:

   • Type-B hoses usually meet certain standards for pressure resistance, flexibility, and durability required for firefighting purposes.

These hoses are designed to withstand rugged conditions, maintain water flow under pressure, and facilitate effective firefighting operations. However, for specific details or certifications of a particular product, it's advisable to refer to the manufacturer's specifications or standards compliance.