Jet Black 24.13 x 16.51cm (9.5" x 6.5") 120 GSM Thick Pack of 50 Envelope SKU : ME-654

To fit 9.25" x 6.25" Card/Paper

It's also known as a "6 3/4" type of booklet envelope

Straight Flap Envelope. 

120 gsm – Inkjet/Laser Compatible – Writable – Smooth Finish – Good Opacity – Fully Consistent Colour Tone Inside & Outside

Orientation : Horizontal