?Safe?:Floating in your washing machine will not cause any harm to your clothes and washing machine. ?Convenience??When washing clothes can absorb excess hair to the net- make more clean-and wash clothes and do not damage the clothes ?Material?:PP+polyester+foam.The head are very convenient to protect your clothes. ?Resuable?:Filter out excess rubbish and hair for your clothes, especially pet hair, to prevent the machine's pipes from being blocked ?Package?:2 pcs pink + 2 pcs blue hair filter bag,If you have too much clothing, put a few more in the machine.