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Plastic-free goods, checked part by part, with the evidence in reach.

Frost River Dog Collars

Cannot tellCannot tell yet: a major part is unverified
Frost River Dog Collars
Photo: Frost River (frostriver.com)

Leather and solid brass, and that's all the maker says. The brass is easy. The leather is the question: most finished leather carries an acrylic or polyurethane topcoat, and the page doesn't say this one doesn't. The stitching thread isn't named either, and both sit against a dog's neck. Reviewers praise the brass buckle and the supple leather, which doesn't settle either point.

Not listed, so not linked.

Caveat
Unknown: the leather's finish, the stitching thread, any rivets, the edge finish, and any stamp or label. Packaging not checked. All four sizes share one listing and one stated material.
Unverified
Still unverified, and being researched with the maker: strap; stitching thread or rivets; edge finish and dye.

Every component

4 parts: 1 classified, 3 still unknown. The rulings are explained in the standard.

NumberPartMaterialPlastic?Evidence
1strapharness leather, finish not statedUnknownR7cut from the same dark brown harness leather that we use for the backstraps on our canoe packssource · retrieved November 11, 2026
2buckle and ringsolid brassNoThe hardware is solid brasssource · retrieved November 11, 2026
3stitching thread or rivetsUnknownNone on file
4edge finish and dyeminor partUnknown, minorNone on file

Packaging

Not verified yet.

Think a component is wrong? Email chairman@amaterio.com with the product and the source. Machine-readable: JSON.