These cute humans are one of those grow pets that slowly expand and grow after being submerged with water. Place it in water and it will slowly grows way bigger! These are a fun prank or gag joke gift for your friends! The boyfriend is 3" x 1.25" out of the package. Full sized man is about 6" x 3", and the girlfriend is 2.75" x 1" out of the package. Full sized woman is about 5" x 2.75" after about 72 hours. Dry out and use it again. It shrinks with salty water though most shrink simply from air after being removed from water. This is a fun bath or pool toy! Ages 6+. Available in 6 colors including pink, red, orange, yellow, green, and blue. Expandable water toys or grow-in-water toys are made from a superabsorbent polymer. Superabsorbent polymers are long chains of molecules that soak up tremendous amounts of water because the water is drawn into and held by the molecules of the polymer. These polymers can absorb as much as 500 times their weight in plain water. They are