sticky back plastic adhesive paper

i got these from hobbycraft for 25p each. bargin! there sticky back adehesive based too. the bubbles one i am going to use in the bathroom along with the shell one. i am going to cut the shells out and stick them on the floor-after all this is the childrens/family bathroom.

am not sure what im going to do with the gingham one, ive got some material made out of the same design and was going to use it in my dining room along with the poppy room but not 100% sure yet.