You will need to connect Amazon Merchant Fulfilled to your Zenstores account. If you unsure see our handy help guide here: How to connect Amazon Merchant Fulfilled 2. Once you've got Amazon Merchant Fulfilled setup, you can filter your Amazon orders by their shipping service, keep an eye out for (prime)NextDay and (prime)Standard. These are the Amazon Seller Fulfilled Prime orders.Please Note: It is mandatory to book Amazon Seller Fulfilled Prime orders via the Amazon Merchant integration.3. Once you've filtered your orders, you can then bulk select them and start creating shipments. For more help on the actual create shipment process please see our other help guide: How to create a shipment with Amazon Merchant Please note it is mandatory to:Use Amazon Merchant Fulfilled for all Prime orders if the UK shipping address is covered by Amazon.If Amazon Logistics is able to fulfil the order the integration will default to this carrier as required by Amazon.Things to be aware of with (prime)NextDay ordersWhen shipping (prime)NextDay orders you need to make sure that you are always using a next day service. The only exception to this is if an order is made and shipped on the same day but after Amazon's 2:30 PM cut off, in this situation you can use a 48 hour service.To be sure that you always get your Amazon Seller Fulfilled Prime next day orders on time and within Amazons specifications we suggest you prioritise your services by Quickest Time as seen in the screenshot below.