This multi-step checkout is from Barkbox, a subscription service offering monthly packages of dog toys, treats, and other goodies for pet owners....View More A big thing you'll notice when experiencing Barkbox's site is how they aim to infuse playfulness & pet humor into everything they do. It really helps create a fun vibe/brand image & their site should be studied for that reason alone. In terms of the checkout process, they do a great job keeping things clean, streamlined & easy-to-follow. The pet illustrations make the first few steps engaging, exact steps are listed out, account creation is fit seamlessly into the checkout, they use default input values for humor ("Poo York City") and even include a one-click upsell along the way. Below, you'll find an animated GIF that goes through the first few steps followed by screenshots of every step.