644042544544

• 6 — Number system
• 44042 — Manufacturer code
• 54454 — Product code
• 4 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

• 644042544438 — 3Pc St. Patrick'S Dog Triangle Bandanas (Large Dog 29")
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Summer Camp Triangle Dog Bandana (Small Dogs 20")

Search for Summer Camp Triangle Dog Bandana (Small Dogs 20") on Amazon (or for the code 644042544544)