Stain Removal:Retainer Cleaner from the aligner, retainer cleaner helps remove food residue, and keeps the retainer hygienic and clean. Oral Refreshing: Retainer Cleaner Stain Remover to freshen your mouth, remove odors, and the scent is long lasting, which make you more confident. Aligner Cleaning:Clear Retainer Cleaner can effectively removes residue and odor causing from your teeth and aligners keeping them clear and looking new. Safe Material: Clear Retainer Mouth Guards made of safe and gentle ingredients, does not contain any chemical harmful substances, and will not cause harm to human body. Portable Design: Retainer Mouth Guards Cleaner 60ml net content, small in size and light in weight, which can easily fit in your bag, you can always clean your aligner or retainer.