Valentine's Day Tableware For All Of Your Sweeties. Show your sweeties just how much you care with Valentine's Day Cupcake Boxes! These single serving cupcake boxes are the perfect way to present sweet treats during your celebrations of love! 12 heart cupcake boxes per package. Valentine's Day pastry boxes are approximately 5 x 5 x 3. Cupcake insert to keep treat securely in place. Simple assembly required. Your favorite sweethearts will love Valentine's Day tableware at your February 14th event. Stock up on the Valentine's Day and heart supplies you need to make your celebration of love a success! Part of Supplies > Boxes 12 heart cupcake boxes per package. Valentine's Day pastry boxes are approximately 5? x 5? x 3?. Cupcake insert to keep treat securely in place. Simple assembly required.