We reproduce the trousers belt with NOS GI Hardwear such as Buckle and End Tip from 50s and use the cotton webbing manufactured by the Suppliers to US Military.
Note) US NAVY use same regulation Trousers Belt from 40s to now. So, you can use for Seabees field uniform of any era.

PRODUCT FEATURES :
•Webbing : 1 1/4" width 100% Cotton
•Color : Black
•Buckle : US NAVY Original Brass Buckle in Black Finish same type as Wartime.
•End Tip : US NAVY Original Brass Tip in Black Finish same type as Wartime
•Size(Length) : 44inch (111cm)

Note) The length regulation of the trousers belt in the US military seems to be that the belt end is about 1 inch (about 2.5 cm) from the 1st belt loop when worn. Please cut it to the length you like and use it. You can easily open it by inserting a flat-blade screwdriver into the gap between the buckle and belt end.