Cap A is a beautiful rotary cover:

A - Acrylic Resin Cap
B - ABS Inner Thread Cap(acryonitrile-butadiene-styrene)
C - Silicone Cover(SGS food grade test passed)

Cap B is a tumbler lid with handle

A - PP Outer Cap
B - pp Inner Thread Cap
C - Silicone Cover(SGS food grade test passed)

Cap C is a faux wood grain-styled tumbler cap

A - ABS Outer Cap
B - Tritan Inner Cap (new-generation copolyester made by Eastman)
C - Silicone Cover(SGS food grade test passed)