Im pure lazy to put up the roses in a basket of small green sponge foam thingy. I will update the picture later...
Suggested Material :
Paper Strip, or Ribbon, or even a straw!!
Its just Twisting and Turning only afterall. The more longer the strips the more heavy the petals will look. The more thicker the size of the strips, the more bigger the rose will look.
But here is how to make paper roses :