The Natural Rubber Fish Teether twin pack is ideal for a teething baby. Chewing on a Natural Rubber Teether with its textured surfaces offers relief by stimulating the gums in preparation for the arrival of the teeth. Made with 100% sustainable, natural rubber from the tree Hevea brasiliensis. One piece design eliminates places where bacteria can hide. Easy to hold grip. Fish teethers come in reusable case allowing for convenient and hygienic storage. No Parabens, Phthalates or Chemical Softeners.