If you have a specific size of your DIY wedding invitations and need something rigid and sturdy to send it in to your invitees via post, then this type of invitation box would be ideal, especially if the DIY invite is A5 in size. Match the colour, texture and finish of the box to that of your invitation and make it a smooth theme from invite to accessories, stationery, and the invitation box. These invitation boxes that measures at 151mm x 213mm x 13mm is available online in invitation box packs of 10.