The prominent display of dog photos on t-shirts and the price tag of £14.99.

The ad showcases custom t-shirts featuring dog photos. It begins with a graphic overlay on a dark purple background, highlighting 'Our Best Seller Product' and a price. Three t-shirts are displayed: one with multiple dachshunds and the name 'COOPER', another with various dogs and 'DOG DAD Charlie', and a third with dachshunds and 'CUSTOM'. The middle section transitions to a video demonstrating the customization process, showing a person holding up a t-shirt with dog photos and American flag elements. The video then shows different images being uploaded and displayed on the shirt, including a golden retriever, a woman, a baby, and then the person wearing the customized shirt. The ad uses a dynamic editing style with quick cuts and transitions.