I send a lot of pastels all over the world . I buy special paper in an art shop that is very slippery . ( by the way I never spray my work as it ruins the fluffiness) I then put one pastel then the slippery paper etc in layers .I fix the pastel etc i...
Krylon spray fixative. Comes in glossy and matte finishes. Buy in an art supply store and can be found in some hardware / paint stores.
You could use pastel sticks, either dry pastel or oily pastel. You'll find them in any specialised shops.