SB300 Softbox Diffuser for YONGNUO YN300 III YN-300 II LED Video Light Panel Foldable Portable Soft Filter;

The SB600/SB300 Softbox is the compact collapsible softbox for YONGNUO YN600L YN900/YN300 Series Led Panels.With the Softbox to creat a soft and natural light like the huge professional softbox.With the Magnetick Locks` design ,you can install or carry it very easy.4 Attachments Straps make it attached with the YN600/YN900/YN300 Series Light Panels.It is a Best choice buy with the YONGNUO LED LIGHTs togethers.
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Features:
Special Designed for YONGNUO YN600L YN900 Series Light (SB300 for YN300 Series) or about the Same Size of YONGNUO YN600 Light Panels
It is a compact collapsible softbox that can diffuse the light for a softer and natural look
Simple to Fold and Carry: Open the softbox and attach it, via the attachment straps to soften the light
Lightweight and Durable: The Magnetic Locks will provide you with the ability to collapse the softbox down to a very compact size
High Quality Materials: Softbox is constructed with the same of Professional Studio Softbox Meterial
Carrying Pouch Included: Quick and easy to pack for any photo or video shoot

Package List:
1x SB300 Softboox
4x Attachment Straps
1x Carrying Bag
Hope you could give honest feedback.
here is the video review between the Ulanzi SB300 and Kamerar D-fuse softbox
https://www.youtube.com/watch?v=2NzkWKicVFk

If you want the SB600 soft box, the ASIN is B01M5GX0WB.