Captain Creative Super Sponges are made of real cellulose sponge material and are 1" thick. These high-quality sponges should be rinsed and washed before first use and after every use. The set includes 10 bold, colorful number sponges (0–9), each approximately 3" tall and 1" thick—perfect for teaching numbers and introducing basic math concepts. While sturdy, the sponges can be torn with effort and may pose a choking hazard if broken into small pieces. Adult supervision is recommended for children under 6 years. Not suitable for children under 3 years. Ideal for sponge painting, sensory play, and bath time fun. Made in the USA.Details:MulticolorEach approximately 3" tall and 1" thickIncludes 10 colorful number spongesMade of real cellulose sponge material, non toxicRinse and wash the sponges before the first useMade in USAAges 3 and up with adult supervision