The opening size is 60 * 60cm, inside with reflect silver and comes with front translucent cover, great for speedlite.
Ultimate soften light stream and remove shadow to make perfect shooting.
High quality flash cloth, minimize light loss and maximize light spread.
With zipper opening, easy to install the soft box with the stand.
Can be used with flashes and some studio flash lights with umbrella hole.
With Velcro sewn around the sides, easy to install.
Like an umbrella when being folded, small size, with a special bag, easy to carry.

Specifications:
Type: 60 * 60cm / 24" * 24" Umbrella Softbox
Soft box size: 60 * 60cm / 24" * 24"
Package size: 66 * 15 * 8cm / 26 * 5.9 * 3.1in
Package weight: 457g / 16.1oz

Package List: D1691
1 * Softbox 
1 * External White Cover
1 * Bag

Note:
This item only includes the soft box and external white cover.