Mainly the size of the product comes with standard size that is size A4 (8x12in).

And there are also some product that is larger than it like thread art ,you can check it in the description of each product.

Yes, you can request this option but please ensure that you must check the gift wrap option at the time of adding the product to the cart.

Yes you can but this window is open only for 24 hr period after your order is placed. Because as all the products are customizable which become hard for us to modify it again when we started preparing for your order. Thats why the modify window is open for upto 24hr after the order is placed.