This listing is for fifty silicone abacus beads.On sale: use code march2018 until April 20, 2018 for 50% off!These beads are made from food grade silicone. Safe for little ones to chew on while teething. No side effects from drugs and no chemicals leeching into their drooly mouths.Abacus measures approximately 15 mm by 6 mm at its thickest point. Contact me for custom packages or bulk pricing.Made for wearing, safe for chewing. Non-toxic: no BPA, cadmium, phthalates, or lead.