Inexpensive at Walmart (probably other places too)! Another pinner says "I'm about to glitter everything! Votives, notebooks (already got my iPhone charger.) No more Modge Podge and glitter nightmares!
A cell phone case is an easy item to crochet. First crochet a rectangle to the size of your cell phone and fold it in half. Crochet around the ends and decide whether you want an open case or a case you want to fold over flap to close.