Smile sweet and food button stickers sack from Kamio Japan. 

Featuring: ice cream, sweet, burger, and others.

35 pcs of stickers; some are button/pvc stickers and some are paper stickers.

Size of the pack is about 4 x 4 inch.

Size of the stickers is about 1/2 to 2/3 inch.

The stickers are made of paper and pvc material.

Rare, vintage and collectible.

So CUTE.