Feature: 3 Sleep Like a Baby Tonight: Works instantly guaranteed 4 Take It Anywhere: Free Travel Case for easy transporting 5 Don't Worry About Safety: Made of FDA Approved food grade EVA material 6 Can also be used with whitening gel to whiten teeth instantly! Take your new mouth guard anywhere! The free, small carrying case that comes with the mouth guard is a great way to take it with you anywhere you go. Instruction: 1. Insert the blue handle into tray breath hole, and then put into container 2. Put hot water (about 70-80 degree C) into container till the tray is submerged. 3. Keep the tray in water for about 15-25 seconds, and then take out the tray using the insert handle. 4. Gently shake off the excess water and insert the mouth tray into mouth. Adjust the tray to a comfortable position and then bite on, using your fingers to the tray around the front and sides to make a good mold of your teeth and gum shape. 5. Remove the tray, after you feel that all your teeth have left good impressions on it. 6. Put the shaped tray into cool water to fix your Anti Snore tray, and take out the insert handle. Specifications: Size:6*4.5*2.5CM Box size: 8*8.5*3CM Material:EVA Package Include: 1Pack 1 x anti snore tray 1 x tray container 1 x tray insert 2Packs 2 x anti snore tray 2 x tray container 2 x tray insert 4Packs 4 x anti snore tray 4 x tray container 4 x tray insert