A 100% in silicone material Bit can glow in the dark , C never out of shape different coloes and shapes are avariable 1 material: made of non-toxic and enviromental material ,up to ROHS no harm to body2 it is durable ,good elasticity and fashion3 any shapes avaliable ,such as car , flower , star , animal ,cap , shoe ,. Gun ,ABC,123…4 any colour, mixed color available5 it can be made glow in the ...