I have installed dozens of glass and non-glass screen protectors. This is my second glass iPad 12.9 inch. The quality has always been the same regardless of the brand, so it comes down to the packaging and ease of installation with the sticker guides/tools provided. My first one, which I bought for my other 13 inch iPad, was a dollar cheaper and came with 4-6 stickers to keep everything lined up by sticking it on one side before removing it from the back pulled off so it just snaps into place - installation went flawlessly. This one came with 2 stickers that you apply to opposite corners where you peel off the backing and then manually and gradually lower them into place. It was a little less than ideal as a few degrees at 13 inches can add up quickly when trying to align the camera hole and fingerprint scanner. Now I think it's fine most of the time, but if one of those stickers fails to reapply, it's a disaster. Luckily I was able to salvage the setup enough to be handled until I felt like I wanted to handle it again. The result was far from perfect camera alignment, 1 air bubble on screen and 2 bubbles off screen. Summary: All glasses are the same, buy them elsewhere where you minimize the chance of installation errors.
Smartphone Xiaomi POCO X4 Pro 5G 8/256 GB Global, Dual nano SIM, Laser black
102 Review
Shop the (3 Pack) Supershieldz High Definition Clear Shield π for Insignia 10 inch, Insignia 10.1 inch Flex (NS-P10A7100, NS-P10A8100) Screen Protector!
12 Review
6" e-book Amazon Kindle PaperWhite 2018 1440x1080, E-Ink, 8 GB, Standard Equipment, twilight blue
38 Review
Smartphone HUAWEI Mate 20 Pro 6/128 GB, Dual nano SIM, black
89 Review
10.1" Tablet HUAWEI MatePad T 10s (2020), 4/128 GB, Wi-Fi, deep blue
61 Review
10.1" Tablet HUAWEI MediaPad T5 10 (2018), 3/32 GB, Wi-Fi + Cellular, Android 8.0, black
49 Review
Microsoft 365 Family, security key, multilingual, users/devices: 6 pts, 12 months
91 Review
Logitech K380 Multi-Device Wireless Keyboard Pink, English
33 Review