Kiss Cutting is a form of die cutting where a very light impression cuts through the vinyl not through the backing material. Here are some Kiss Cuts stickers. They usually come on sheets like the first two but you can get them many different ways including single sheets and on roll

A die cut sticker is a sticker thats cut into a unique custom shape to fit a logo or piece of artwork. The term “die cut sticker” is actually a misnomer. ... Today manufacturers now use tools such as high-speed lasers to cut stickers- including basic shapes.