What's in the box:

Professional Universal Neutral Density ND2 4 8 16 Filter Kit for Cokin P Set SLR DSLR Camera Lens Camera Photo Accessories (Standard)

Graduated N-D filters provide a gradual color transition for a smooth blending effect. Give your landscape and skin texture a more colorful touch.

Features:
Control light and colour directly on your r-aw images at the time of shooting.
Keep the quality of your images without excessive post production work.
Create specific effects saving time on your computer.
Same filter for all your lenses by just replacing the adaptor r-ing.
Otate, slide, decentre in all directions for more accurancy and creativity.
Gradual filter is important for digital users, because the digital s-ensor unlike film has very low exposure tolerance. Detail will be lost on both low and high light area. To correct this, you need gradual filter to balance it.

Specifications:
Suitable: for Cokin P series Filter
Package size: 240 * 120 * 75mm / 9.4 * 4.7 * 3.0in
Package weight: 383g / 13.5ounce

Note:
The Cokin system consists of 3 main components: An Adaptor-Ring + A Filter Holder + 1 or more filters.
Screw the adaptor r-ing onto your lens.
Slide the filter-holder on the adaptor r-ing until it snaps in place.
Slide the filter (up to 3) into one of the filter-holder slots.
Mount Lens Hood onto your filter-holder by pressing on the upper and lower parts of the lens hood.

Packing List:
1 * G.ND2 filter
1 * G.ND4 filter
1 * G.ND8 filter
1 * G.ND16 filter
1 * ND2 filter
1 * ND4 filter
1 * ND8 filter
1 * ND16 filter
1 * 6 case
1 * 49mm R-ing Adapter
1 * 52mm R-ing Adapter
1 * 55mm R-ing Adapter
1 * 58mm R-ing Adapter
1 * 62mm R-ing Adapter
1 * 67mm R-ing Adapter
1 * 72mm R-ing Adapter
1 * 77mm R-ing Adapter
1 * 82mm R-ing Adapter
1 * 3 Slots Filter Holder
1 * Wide Angle Filter Holder
1 * Lens Hood