When using the Product Request features in the platform you have to remind that some limitations apply.
The product you request:
must not contain liquids,
must not contain powder,
must not contain fragile materials,
must not contain magnets,
must not be a sharp item,
must not be an illegal item,
must not be a branded product.
Regarding its dimensions:
the product can be max 2Kg,
the sum of the three dimensions (length, height, and thickness) cannot be more than 90cm, with a maximum length of 60cm.
Also notice that the number of products you can request is related to which type of user you are: 4 product request monthly with the Hustler Plan, 20/month with the Pro Plan.
The product request feature is not available in the free Hobby Plan.