2.16" x 4" Magnetic Data Cardholder C-Channel Shelf Labels - 25 Pack with 25 Precut Cards 2.16" x 4" Magnetic Data Cardholder - .2" Thick Pack of 25 Cardholders with 25 White Precut Cards The C-channel snuggly holds the cards in place - Each precut card measure 2" x 4" Attaches to flat steel surfaces and is easy to reposition and move as needed Made in USA