This is a video by Nargis Khan, explaining you the techniques of decoupage on a glass bottle using decoupage napkin.
Christmas is around the corner and here is DIY for Christmas Themed decoupage bottle.
Best tips: You can use Texture paste and sprinkle some glitter on it in place of Snow Glitter.
1) Decoupage Napkin : buy it here : Decoupage Napkin
2) Mod Podge Matte : buy it here : Mod Podge 8 0z
Watch the video in the below link.