Seriously soothing teether for gums—with the added bonus of our patented “pop” technology for busy hands Two uses: 3+ months as a teether for soothing sore gums, and 12+ months as a toy for bubble popping play Responsive bubbles encourage fine motor skill development and hand-eye coordination Hollow bubbles are easy for baby to grab & hold on to Dishwasher safe Refrigerating or freezing is optional (it’s effective at room temperature, too) 100% silicone. No lead, PVC, BPA, latex or phthalates. Playful micro-textures massage sore gums (and entertain fingers)