copy paper and or thick paper
The best materials are CHART paper [which is opaque-ex-thick chart paper ,cardboard ect.], because they make clear shadows[ shadows are dark].
The best material is NOT!!! plastic its news paper!!
the answer to your question is paper paper floats best so peace out.
paper or plastic
Paper is pretty good lol
dried leaves or paper
white paper
glass
Football
Aluminum foil.
Two good brands of football gloves are Under Armour and Cutters.
The best way to get a football is buy one. If you are curious on how a football is made it is made from cutting the material that the ball is made of, pressing the material, lacing it up, and then it is flattened to have the bladder added to it before it is blown up.