This is a digital format. You'll receive a Pdf file in your email. Kindly save it on your computer and/or phone and on the cloud for backup as the link will expire from your email within 30 days from the day of purchase. 

You can easily print them and work on them. 

a4 size

Refunds for digital products are not available. 

Kindly save the digital products that you buy, on the cloud or email it yourself, in case you lose the digital product due to any reason, you'll need to rebuy the product. I won't be able to send you the digital copy again.