You are free to choose!
Choose a model of cover / bag - that you like in my store and combines 2 materials of here.
For example, the cover or the bag - may be made in a fabric and the accents in the other fabric (flap closure, front stripes, sides stripes, applications on both sides of the zipper etc)
Tell me please at "conversation Etsy" :
1. brand laptop (Apple: iPad with / without smart cover, MacBook Air / Pro; HP; Dell; Sony; Samsung; Toshiba; Lenovo etc) and diagonal (11", 13", 15" or 17 inch)
2. show me the model of the cover or the bag in the store (your put a link)
3. tell me number(s) of color / fabric(s)
For other options, see here:
Given the Etsy policies, if you buy this listing, you will receive a piece of fabric, one of each, with dimensions 10 cm x 15 cm (approx 4 inch x 6 inch).