They may have to start keeping stuff in plastic containers & jars.You'll have to get rid of the ones already there.

Yes, I typically deliver Mon-Fri between 10AM-2PM.

How do you clean plastic blinds?

I could see how that may be a risk for Fri-Sat evening peak hours.

Hi my name is Felipe Goncalves and i currently work in the plastic industry in Leominster, MA.

Hi Malia,If the job's done, just toss the bottle in the trash and forget it.There are bigger fish to fry than this.Good Luck!

@Peter T. how we can figure out in advance if contractor is good one or not, he has construction licence(but not plumbing and Electrical).My fried has used him with almost no issue.Just wondering, is it common practice among contractors to pick multiple works and keep on hopping here and there?

It is just putting in a large thick piece of plastic. 

if you're worried about the floors getting messed up, make sure you use some plastic sheeting or a drop cloth.  

@Larry Fried Good advice and good points.