What size is this shell casing & is it Chinese or ?

SIZE AND FIT FOR: Our platter storage bag, the internal size is 17 * 13 inches, suitable for most of the platter and many occasions. HARD SHELL 3 FELT

Platter Storage Case, Hard Shell, Stackable China Storage Containers for Moving, Inside Measures 17'' x 13'', 3 Felt Dividers Included

WW1 Trench Art Shell Case. Dragon Pattern Chinese Labour Corps in Ephemera

SHELL CASINGS – Artillery Works Co

Moded The Case I Got Today (and size comparison : r/Xreal

UAG - Civilian Series Hard shell Case for Samsung Galaxy S21 / S21 5G - Black

Travel Day Pill Box Portable Small Travel Size Hard Shell Pill Case - China Hard Shell Pill Case and Pill Case price

Gowee China Storage Containers Hard Shell, Platter Storage Case 17 X 13 X 6 For Dinnerware Storage And Transport, 5 Felt Dividers Included, Structured Top And Stackable

Chinese Full-Size Tank Model made of Cartridge Cases -The Firearm Blog

Custom Size 6000 Series Aluminum Electric Instrument Anodized CNC Milling Housing/Shell/Casing - China Aluminium Profile, Aluminium Radiator