Does an phones 6s Plus fit in this case? Large space this product do?
It is 8.66 inch x 6.00 inch ( L * W ) . It can hold an iPhone 6, iPhone 6 Plus, keys, and cash/ID/credit cards.
How long does the Waist Belt?
The belt is adjustable. It can be adjusted from 20” - 50”.
Is it touch screen responsive?
Yes, it is touch screen responsive. You can receive calls when your phone is inside the pouch.
How does this pouch waterproof? Is it really 100% waterproof?
The pouch is made out of material that doesn't allow water to enter it. And as long as you seal the three zipper closures properly make sure there is no sand or debris in between and keep them rolled in the Velcro strip, it will be 100% waterproof.
Is this a ziplock type of seal?
Yes, there are three ziplock closures and then it folds over and secures with Velcro.
Can I wear this on me while swimming in the ocean? I don't want to leave my stuff unattended on the beach.
Yes, I wore it while I was swimming in the ocean, and it worked very well. Just be sure that those zip locks are sealed tight to keep the water out. I had my phone, wallet and car keys in it, and they were kept dry.
Can you use this scuba diving? How much feet is it able to submerge into?
We’d feel pretty confident scuba diving with it. It worked very well 10-15 ft deep when we did dive down a bit. We were in the water for an hour or more, as well, and it didn't leak a bit!