What are the pros and cons of the diferent square end bassinet mattreses?

Hi Ruth, thank you for your enquiry, we think it really does come down to personal choice, there is a difference with firmness with the three different mattresses, we would suggest using our product comparison feature which will show you the difference between all three. We hope this helps. ?For further information on this or any of our other products available, if you follow the link https://www.babyonthemove.co.nz/store-locations/ this will take you to our online store finder. Here you can find contact details for your nearest Baby On The Move Store where one of our team experts will be happy to assist you in your product search and help answer any further questions you may have. We hope this has helped with your query.