The sturdy case made out of synthetic material holds up to 8 sd memory cards at a time and has a handy elastic shock absorbing insert to keep memory cards securely fixed in place specification sturdy case for up to 8 sdmmc memory cards incl elastic shock absorbing insert dimensions w 104 x d 75 x h 19 cm capacity max 8 card suitable for sd amp mmc material synthetic material type box warranty 2 years