Reflect (Metallic Cirlcular Bar): Bounce back most projectiles, 2 hit protection.
FLame (Fireball): Trails, Fire element protection, colliding with players hurts unless they have this shield too.
Lightning (Swirling Bolts): Attractions normal rings and thrown rings only (no dropped rings) and other players with this shield which they stick to, Electrical element protection.
Liquid (Ball of Water): Air, Water element protection.
Blast (Cherry Bomb): Timed and Remote explosion.
Ice (Crystal): Allows standing/walking on water, hard to control on the ground, Minus 20 from jumpheight, Freezes enemies and players on contact, can dispose of it via jump spin, ala shattering.
Whirlwind (Tornado): Allows a second jump which can also carry other players who are collided with you, vulnerable after second jump.