Since these products are often used by children or as promotional gifts, they must meet strict safety benchmarks. For the US market, compliance with ASTM F963 and CPSIA (Consumer Product Safety Improvement Act) is mandatory. For the EU market, ensure the products carry the CE Mark and comply with EN71 (Parts 1, 2, and 3) regarding mechanical properties, flammability, and chemical migration. You should request valid test reports from accredited third-party labs like SGS or Intertek before finalizing the purchase.