Soft Material Sr: The socks and wristband are made of high quality and eco-friendly cotton and plush material which is odorless, non-toxic, soft and comfortable for baby. . Early Educational Toys: Cute animal rattles with 2 rattle bracelets and 2 rattle socks can stimulate your baby's sensory exploration developmental journey through touching, feeling, seeing and hearing. Visually stimulate your children's vision and improve children's eye-hand coordination. . Auditory Stimulation Design: The little rattles built into the baby toy set. The rattle sound can attract baby's more attention and interest when shake it or carry it. An easier way to awaken and improve auditory awareness, sound discrimination and hand-ear coordination. . Easy Put Remove: The wristband secures with simple, raised adhesive Velcro to adjust the wearing size, so they are easy to put on and take off. . Perfect Gifts for Baby: This animal foot finder and wrist rattle toy set is the best baby toy gift that is suitable for baby showers, baby watering, Sip & See gift, newborn gift, gift birthday, at registry gift, Easter, Halloween, Thanksgiving, Christmas, holiday gift, baptism gift and so on. .