- They are made of 100% pure liquid rubber, which is known for its great elasticity and resilience
- They are manufactured and packaged in Europe and conform to the high European safety and quality standard EN 1400
- They have obtained the US 16 C.F.R. Part 1511 conformity certificate from a CPSC-accredited laboratory
- They are entirely non-toxic and contain no artificial coloring, no chemical softeners, parabens, PVC, or phthalates, and are BPA-free
- They have successfully passed N-Nitrosamine levels testing in both the EU and the US: comply with EN 12868 and ASTM F1313-90
- Natural baby products are in high demand by environment- and health-conscious parents