Create your own CD Jewel Case Covers with our CD-Rom Jewel Case Inserts! Our Inserts are made from a 60lb Cover Cardstock (162 gsm) and are inkjet & laser printer compatible. Inserts are microperforated for eacy breaking and cleaner edges. Front insert measures 4.75" x 4.75". The back insert measures 5 3/8" x 4 5/8". Back insert includes spine areas that measure 1/4" x 4 5/8" each. The spine areas contain a standard perforation that makes it easy to bend straight up without breaking apart.