car wash sponge material: microfiber +sponge. ultra-soft, hign water absorption lint-free,it is easy to be washed after dirty car wash sponge feature1. Material: Microfiber+sponge , 80% polyester,20% polyamide;2. Strong cleaning ability, easy to wash after use;3. excellent for polishing, scrubbing, and detailing;4. environmental friendly material,lead free,no toxin.5. More durable than cotton ...