NOTE: Dimensions:4.7 inches high, 3.9 inches wide. Before use:Put the circle out in air or under the sunlight for couple hours to remove production odors.And wipe it with a damp cloth before baby bites it. After NOTE: Dimensions:4.7 inches high, 3.9 inches wide. Before use:Put the circle out in air or under the sunlight for couple hours to remove production odors.And wipe it with a damp cloth before baby bites it. After use:Clean the stacking circle with a damp cloth instead of washing it with water.If the water stay in it for a long time, there may be a peculiar smell. Safe & chewable – Made from premium soft silicone, these baby stacking toys are gentle on gums and totally bite-safe. No worries—your little one can chew, squeeze, and drool all day. Fun to look at – This nesting toys set comes in 6 bright colors (yellow, orange, pink, green, blue, white) with cute animal, pattern, and letter details. Easy for tiny eyes to spot differences in color and size. More than stacking – Yes, it’s a classic stacking rings baby toy, but flip it—each ring stacker toy has a tiny hole at the bottom. Squeeze and it squeaks! Great as a teether, whistle, or fidget. Keeps hands and mouths busy. Builds early skills – Kids can stack any way they want with these baby stacking rings. It boosts hand-eye coordination, creativity, color recognition, and number/letter awareness. Wonderful for messy, playful learning at home or on the go.