Birds write on stickers sack from Kamio Japan. 

45 pcs of stickers (6 designs large write on sticker x 5 sheets and 3 designs small sticker flakes x 5 pieces)

Size of the pack is about 4 x 4.25 inch.

Size of the stickers is about 2 inch (large) and 3/4 inch (small).

The stickers are made of paper material.

So CUTE.