Flashing Lovely Valentine Heart Brooches - Pack of 12 Adorable Pink Holiday Clothing Accessory Ornament Pins - PERFECT Valentine's Day Bulk Gift - Pink Heart LED Blinking and Flashing breast pins. 12 pieces of Flashing Lovely Valentine Heart Brooches. Installed with multi-colored Flashing LEDs. Heart measures 1.4 inches each. Made from durable plastic material with pre installed non-replaceable battery for the LEDs. Easy to operate, simply move the switch on the side of the heart and it will generate an amazing flashing of lights. Great for party and any other occasion. Fits will in kids and some adults.