HWL Artificial Plant 43.3 Inch Green Branches Leaf Shop Garden Office Home Decoration (2 pcs)

Is this branch realistic? I want to put it on my table.

Would you recommend ordering two? I know it comes as 2 pc so do you think 4 is necessary to adequately fill a vase ?

Is it very different from real plants?

2 sticks and 6 sticks, should I buy that? I have difficulty choosing