The Twister Blister from Inline Plastics (Milford, CT) is a two-piece blister package that serves as a reusable container. A base is attached to a paperboard card and a second plastic piece twists on or off.
P-s labels can be affixed for tamper-evidence. Measures 4.5" x 6.75" but custom sizes are available. Can be made with a variety of plastics.