Your website looks great and you received great tips above. I'd also recommend adding a short tagline to your featured image [above the 'Shop Now' button] to tell your visitors what type of products you have. It will help you engage with them right away and improve your conversion rate. The photo of two playing dogs doesn't really inform about the type of products you have, so people are not sure what they will find after clicking 'Shop now'. See how this image would look with a tagline:
It immediately gets attention of your potential customers - visitors who are looking to buy dog toys. It's a great way to improve a conversion rate.
Footer - consider adding a secondary navigation here, so people can click to browse your collections, or check your delivery policy, if they scroll to the bottom of the page, so they don't have to scroll all the way up. It's a positive UX [user experience] practice.
Consider writing longer, and more SEO friendly product titles. It will help you improve your Google rank and get found in more search results. For example "Cute dog costume" is an extremely competitive keyword:
When you search for it on Google, you can see there are 136 million results:
which means there are 136 million other websites competing for this keyword, with Amazon and other major brands on the 1st page. It will be extremely difficult for a small brand, like yours, to get featured near the top.
What you can do instead, is to optimize your products will less competitive keywords, while still delivering decent amount of monthly searches.
You can start with a keyword research - in order to find best performing keywords. Focus also on more specific and descriptive keywords, such as "Pink dog costume with bunny ears" - this kind of specific title will attract people looking for this particular item - and therefore most likely to buy. These are "transactional keywords" - used by people actively searching for products to buy, credit card in hand. By using this type of transactional keywords, you are attracting the most relevant traffic, and therefore improve your conversion rate [sales].
Learn more about the keyword research package here: https://www.rockpapercopy.com/keyword-explore.html