Who knows what this is? (Pic attached)

[Buombalayo]

I keep seeing them about on the floor and it's bothering me. They're about 5cm long and 1.5cm in diameter and seems to be cement type stuff but with a paper coating. Wondered if they were from some sort of gun? As in a pellet gun or something...?

[MrsNacho]

Firework?

[7circlemats]

Yeah as pp said they could well be from a firework

[Palominoo]

Cheap crap Poundshop non absorbent tampons that fall out?