Is it okay to wash waterproof material(s) in my washing machine?

Warnings:

• Do not wash, spin or dry water-proof seats, mats or clothing.

• Do not wash thick, hard mats even if the washer mark is on the care label.

• This may result in injury or damage to the washer, walls, floor or clothing due to abnormal vibrations.

Examples of water proof materials that should not be washed in the washing machine: Woollen bedding, rain covers, fishing vests, ski pants, sleeping bags, diaper covers, sweat suits, and bicycle, motor cycle, car covers, shower curtains, etc.