trixie noppen ballen rubber3. 5 cm 4 pieces The 3. 5 cm in 4 pieces are fun rubber play balls for cats in the shape of atoms, in various colors. Their fun shape and texture make them very interesting for cats. The knobby balls are delivered assorted in pink, yellow, orange or blue. Fun rubber play balls for cats Balls with nubs, in the shape of an atom Made of rubber Dimensions: 3. 5 cm Contents: 4 pieces