J. Crew Size Medium Mystery Boxes By Size 4-5 Pound JCrew Clothing Bundle Boxes Approx. 6-7 Pieces Per Box Each box contains all J. Crew items in excellent preowned condition with some boxes containing new with tags items. Each box contains as many pieces that I can either fit into a large USPS priority mail box or hits 5 pounds, whichever comes first. Most boxes contain 6-7 pieces. Size Medium may also include items sized 8, 10, 29”, or 30”. Boxes may contain dresses, skirts, sweaters, shorts, jeans, tops and/or outerwear and is a mix of the above types.