Zpsolution Zipper Pull Tab Replacement Metal Zipper Handle Mend Fixer for Suitcases Luggage Jacket Backpacks Coat Boots

Is this zipper pull extender easy to fall off? I noticed another style form other sellers，the reviwer said that they are not strong enough and easy to

What is the diameter of the hook portion of the pull? I need to make sure it fits the hole on my zipper.

Need to get in contact with zpsolution

Can I use these pull tabs on a sweatshirt that goes through the washer and dryer?