- Each dolphin measures 2.75-inches by 1.5-inch by 0.75-inches.
- Use in water bottles, baby bottles, wine carafes, and vases.
- Silicone balls inside the sponge help loosen residue on the sides and agitate the water to clean hard to reach areas.
- Sponge made from polyurethane, with two silicone balls inside.
- Air dry to help keep sanitized.