How thick is each layer of foam?

There is a 1 1/2 inch thick piece of removable foam in the bottom half.

Metal skeleton/stainless crush proof?

No metal skeleton. But pretty sturdy.

What is the internal depth of the bottom half? I understand that the total internal depth is 6.1", but how deep is just the bottom?

4 1/2 inches from the split line to the bottom. There is a removable piece of foam in the bottom that is 1 1/2 inches, so if it is in place, the lower half is 3 inches deep without any foam compression.

I've looked all over for the inside dimensions and can't find them in the listing, only confusing measurements. What are they?

The case is made of hard plastic with foam laid in place. Basically the hard plastic appears to be around 3/16" thick. That is my guess. If you take away 1/2" from each of the external dimensions you have an approximate answer. To actually measure the inside dimensions would require me to remove all the phone. I am not able to do that. I hope that this helps.

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Koah Weatherproof Hard Case 18 x 14 x 7 Inch

Product ID: 320426773

Details

Brand
Koah
Color
Black
Item Weight
16 ounces
Material
Polypropylene
Product Dimensions
18"L x 7"W x

🔒Reinforced stainless steel security

🧩Fully customizable foam insert

🛡️Weatherproof & shockproof shell

¥52556

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖤 Gear Up Like a Pro — Protect What Matters Most

QUICK ACCESS LATCHES - Smart toggle latches open with a light pull—grab your gear in seconds, no hassle.
BUILT TO LAST SECURE - Reinforced stainless steel adds strength and security, while the pressure valve balances air without letting moisture in.
EFFORTLESS PORTABILITY - Lightweight 16 oz design with a sturdy web handle for easy transport on the go.
TAILORED FIT FOR YOUR GEAR - Customizable foam lets you create the perfect snug compartment for cameras, lenses, or ammo.
ULTIMATE PROTECTION ANYWHERE - Injection-molded polypropylene shell shields your gear from water, dust, and impact.

The Koah Weatherproof Hard Case (18 x 14 x 7 inches) is a rugged, injection-molded polypropylene case designed for professionals who demand top-tier protection. Featuring fully customizable foam inserts, reinforced stainless steel security, and a waterproof pressure valve, it safeguards cameras, lenses, and sensitive equipment from shocks, water, and dust. Lightweight and portable with quick-access latches, it’s the ultimate companion for on-the-move creatives and managers who refuse to compromise on gear safety.

Specifications

ASIN	B08P52GLJQ
Best Sellers Rank	#1,433 in Camera Cases
Brand Name	Koah
Capacity	1107.45 cubic inches
Closure Type	Toggle
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (452)
Handle Type	Web Handle
Item Dimensions L x W x H	18"L x 7"W x 14"H
Item Highlight	Customizable foam
Item Weight	16 ounces
Manufacturer	Koah
Manufacturer Part Number	KO-WHC18147
Material Type	Polypropylene (PP)
Model Number	KO-WHC18147
Number of Compartments	1
Number of Items	1
Number of Packs	1
Pattern	Solid
Shell Type	Hard
Size	18 x 7 x 14 inches
Style Name	Built-in,portable
UPC	040962878347
Unit Count	1 Count
Water Resistance Level	Waterproof

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