I haven't tried drops, but they seem to be very durable. A clip to keep it closed is a little lazy so a strip can be added. The contents are firmly in place and will not fall out. usually. It's a bit bulky, but I can use it to store enough batteries and cards for daytime shooting, although I'll keep a few spares in my main camera bag, just in case.
5-in-1 USB Camera Connection Kit with SD TF Card Reader, 3.5mm Headphone Jack, and Charging Adapter for iOS 14 Devices - Compatible with iPhone 12 Pro and iPad - SD Card Reader USB Camera Adapter with OTG Functionality
11 Review
TP-LINK UH700 USB Hub, 7.1cm Ports, Black
12 Review
IDENTIV USB Smartfold Type C SCR3500C
11 Review
π» LEEGLOAD 4 in 1 SD Card Reader Adapter for iPhone/iPad/Android/Computer and Digital Camera, Memory Card Adapter with USB C/USB A/Micro USB, Trail cam Card Viewer (Black)
13 Review