Did you scroll all this way to get facts about adult pajama party? Well you're in luck, because here they come. There are adult pajama party for sale on Etsy, and they cost $ on average. The most common adult pajama party material is cotton. The most popular color? You guessed it: black. Although traditionally associated with college students, teens and even kids, adult pajama parties can be an excellent venue for de-stressing and reconnecting with friends. Wedding Expo Booth Bridal Show Booths Mystery Dinner Party Mystery Parties Pajama Party Tea Party Kids Talent Show Ideas School Nurse Office Fifties Party54 pins.