Border cut stickers are not new in the market these are cutted from the edges. Mostly people use these to show their brand clearly. Border cut stickers are commonly used on walls, windows, doors and on furniture. Sometimes people use these stickers for decoration purposes. You can get border cut stickers in custom shapes and sizes with unique colors for advertising.
Sandwich stickers are not like sandwich it means that this sticker is between 2 layers of paper. One is place on back of the sticker for safety and second is printed with the sticker. Sandwich stickers can be applied on any surface. Sandwich stickers are made of non-removable ink so they are more durable than other stickers.