Yes, the 3*5 inch topper includes remy human hair and virgin human hair, they can be cut, curled, straightened and dyed. However, it is not suitable to bleach, and you can only dye dark colors from light colors.
Compared to remy topper, the cuticle of virgin tooper is intact, and virgin topper is double drawn, more natural, durable and no tangle and soft.
The density of 3*5 inch remy topper is 150%, it provides more coverage and volume. The density of 3*5 inch virgin topper is 130%.
The 3*5 inch remy topper can probably last 3-6 months with proper use and maintenance, while the 3*5 inch virgin topper can probably last 6-12 months with proper use and maintenance.
13*13 cm is equal to 5*5 inch, which is larger than 3*5 inch. 13*13 cm can provide larger coverage and more volume. If you want to cover a more focused area, you can choose 3*5 inch.