... inserts 1.passed CE, SGS, FDA, LFGB, ROHS soft clean health care massage silicone shoe inserts Specifications1.100% high ... saving, flexible, non-stick, no rust durable and long standing5.reusable soft and washable, wipe cleandoes not absorb smell or taste6. ... special design for absorbing the shock to foot comprehensive and balanced, preventing and improving achilles tendon pain, knee pain, low back ...