Hi Pauline,
Apologies for the incorrect information in the product description — thank you for bringing this to our attention. We’ve now updated the website to reflect that the straps aren’t adjustable.
If you’d prefer to return the item, we’d be happy to offer you a free return for a full refund. Please just let me know, and I can email you a prepaid return label.
Thanks so much for your understanding,
Flo & Frankie Customer Care