5 Allsop Double Strong Boxes CD Jewel Case #CD2R10DGPR - Durable and Shatter Proof CD Cases Standard 10.4mm Thick with Gray Tray Made of Impact-Resistant Polystyrene to Prevent Breakage! These jewel boxes are 5-9/16" x 4-7/8" and ~0.43" (10.4mm) thick. Each case holds 2 discs