Material: BPA+PlasticDiameter: 2.9cmOriginal Length: 19cmAfter Elongation: 64cmColor: Red,Yellow,Orange,Blue,Green,Rose RedLighting Mode: Fast flashing - Slow flashing - Always lightingContinuous Light Time: About 4 hoursPacking: 6PCS Luminous Telescopic TubesCome and use your imagination to create all kinds of interesting toys with LED lights up pop tubes!Ainiv luminous telescopic tubes not only nurture your child's creativity, but also make them the center of the party, and they're sure to love this gift!NOTES:1. Do not pinch the tube very vigorously to avoid collapsing.2. Do not stretch beyond the maximum limit, so as not to shrink back to its original shape.3. Infants should play under the escort of an adult.Feel free to contact us if you have any inquiry about our product.We will get back to you with an satisfying reply as soon as possible.