Hydro Flask Water Bottle with Straw 32/40 oz Insulated Reusable Stainless Steel Sports Bottle, Large Metal Flask, Wide Mouth with Leak Proof Lid
Three practical ways to deodorize:
Method 1: boiling water to taste
Clean the inside of the cup with detergent first, then pour boiling water into the cup, leave it for two hours, and then clean the inside of the cup.
Method 2: deodorize orange peel
Clean the inside of the cup with detergent first, then put the fresh orange peel into the cup, tighten the cap, leave it for four hours, and then clean the inside of the cup.
Method 3: deodorizing toothpaste
First squeeze the toothbrush on the toothbrush and brush the inner wall of the cup up and down in a clockwise direction. After the toothpaste foam is generated, wash it with boiling water.