Baby travel cots are designed to be portable, providing convenience for parents when traveling or staying away from home. The portability of a baby travel cot can vary depending on the specific model and features. Here are some factors that determine the portability of a travel cot:

1. Weight: Travel cots are generally designed to be lightweight compared to standard cribs or playpens. The weight can range from around 10 to 30 pounds (4.5 to 13.6 kilograms), depending on the cot's size, materials, and additional features. Lighter weight makes it easier to carry or transport the cot.

2. Folding Design: Baby travel cots typically have a folding design that allows them to collapse into a more compact size for storage and transportation. The folding mechanism can vary among different models. Some cots have a simple folding design that requires minimal effort, while others may have a more complex folding process. Look for a cot with a folding mechanism that is easy to use and doesn't require excessive force or complicated steps.

3. Compactness: In addition to being lightweight, baby travel cots are designed to be compact when folded. This makes them easier to fit into a car trunk, luggage, or storage space. Some travel cots come with a carrying bag or case to further enhance their portability and make them easier to transport.

4. Assembly and Disassembly: The ease of assembly and disassembly can affect the overall portability of a travel cot. Look for a cot that can be quickly set up and folded down without much hassle. Clear instructions and intuitive design can save time and effort, especially when you're on the go or in a hurry.

5. Carrying Handles or Straps: Some baby travel cots come with built-in handles or straps that make them more convenient to carry. These handles or straps allow you to easily lift and transport the cot, providing added portability.

It's worth noting that while baby travel cots are designed to be portable, their size and weight may still vary. Consider your specific needs, such as the mode of transportation and storage space available, when selecting a travel cot. Additionally, read reviews and product descriptions to get an idea of how portable a particular model is, as experiences may vary.