Develops Babies Motor Auditory & Muscle Tone in Hands. The Deglingos SQUEAKER, makes for a great Teether to slip into a nappy bag. Specifications: - Age: 0m+ - Surface Wipe Only - Average size 15 cm Filled with polyester fibre - Fabric polyester and cotton - Fully tested to meet European and US safety regulations (EN71, ASTM, AZO)