・ Quantity: 200 pieces (50 pieces x 4 bags) ・ The manufacturing date is listed on the back of the package. ・ Expiration date: 5 years from the manufacturing date ・ Materials: Polystyrene, Polyethylene ・ Country of origin: Taiwan Although new, please refrain from purchasing if you are concerned about home storage or are overly sensitive. No pets, no smoking.