WooCommerce Product Add-ons increase shopping experience as unique as your customers
From adding a personalized engraving, to upgrading to premium fabric, customizing products can keep your customers coming back. With WooCommerce Product Add-ons, you can offer special options to your customers in a snap.
Product add-ons allow your customers to personalize products while they are shopping on your online store. No more asking for follow-up emails, our customers get what they want, before they’re done checking out.
Demo: https://woocommerce.com/products/product-add-ons/