A single 20-inch cabin size bag, often referred to as a carry-on bag, typically has the following features:

Dimensions:

• Height: 20 inches (51 cm)
• Width: Usually around 14 inches (35 cm)
• Depth: Typically about 9 inches (23 cm)
• Capacity: Around 35-45 liters, depending on the design and material

Material:

• Exterior: Can be made from hard-shell materials like polycarbonate or ABS, or soft-shell materials like ballistic nylon, polyester, or canvas
• Interior: Lined with fabric, often with padding to protect contents

Design Features:

• Wheels: Typically has four spinner wheels for easy maneuverability, but some models have two inline wheels
• Handle: Telescopic handle that can be extended for rolling and retracted for storage; often includes a top and side handle for easy lifting
• Compartments:
  • Main compartment with straps to secure clothes
  • Zippered pockets for organization
  • Some may have an expandable section for additional packing space
• Security: May include TSA-approved locks for added security
• Additional Features: Some models come with USB ports for charging devices, water-resistant coating, or integrated laptop compartments

Weight:

• Typically weighs between 5 to 7 pounds (2.3 to 3.2 kg), though this can vary based on materials and additional features

Compliance:

• Designed to meet most airline cabin baggage size restrictions, though it's always best to check with specific airlines for their carry-on policies