Paypal — Refund of the amount

I ordered it on 2 sept, the order was confirmed through email, the shipment was to be delivered by amazon shipment, the order was prepaid through pay pal. The shipment got delivered by 6th sept which contained some shabby and dirty worn innerwear. the site did not provided with the order fulfillment and also no option to contact other than email. i have already put up emails but there is no reply from there side. so i have chosen this platform to take my rightful money back. will sharing all the details with photos below. also this website is powered by shopify, and I had a long conversation on chat with them too to ask for a help.