100% Brand New And High QualityPromotes a Better Night Sleep-Suitable both for man and woman.The Anti-Snore Ring works by physical process -,Using the principle of acupressure the wearing of the ring promotes the dilation of the breathing areas thereby removing the primary cause of snoringAcupressure on little finger .It's a natural, no side effect and hassle free way of getting a great night's sleep.Material:AlloySize : The inner diameter of ring,S(1.5-1.7mm)M(1.7-1.9 mm)L(1.9-2.2 mm)Package includes:1 xAnti Snore RingNote:1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures.2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm)Thanks for your support :)