You can get the product Id very easily from the Shopify product list. Follow the below Instruction to have your product Id from your shopify product list.
1. Go to shopify dashboard and select product.
2. Select product from the available list.
3. Get the product Id from the end of URL – Suppose 1674352328802
Using this method you can get product Id very easily that will help you to show/hide product in various functions.