UNIVERSAL USE- Neutral 18% Grey / Gray Photo Card perfect DSLR, Video, Film and Photography
BALANCE CARDS- The grey cards will help your camera set the proper colors and reduce the awful overhead light that can be produced by overhead lighting ,Perfect for setting exact color balance. Works with any digital camera.
CARD SIZE- 3 1/3*2 1/8 inches( 8.5*5.4cm). Small enough to keep in your pocket or on a keychain.
HARD PLASTIC-made of a hard plastic so they don't bend and get creases (like paper can) which can throw off the white balance shot.
HANDY AND PORTABLE- The neck strap with quick-release plastic buckle on the end, convenient for your use.Compact, sturdy and Lightweight. Net weight:35.5g