You need to choose your store from the website. In a browser you do this by clicking on the "store finder" next to the Home Depot Icon in the top left of your browser. Then it will show you the quantity in stock at your local HD and will also allow you to look at quantity in stock at nearby stores.
As stated in the product overview. 1/2 in. length: s 20 ivory, 20 light almond, 100 white 3/4 in. length: 20 ivory, 20 light almond, 40 white 1 in. length: 20 ivory, 20 light almond, 40 white