Features: Lightweight and portable: Owing to nice PE material, our breastmilk storing bags are lightweight and easy to carry, will not bring much burden on you. Besides, they are also easy to store without occupying much space. Warm gift: These breast milk storage bags can be practical gifts for new mother, providing much convenience in life. Specifications: Quantity: 500 pcs Size: as shown in the picture Color: as shown in the picture Material: PE Package includes: 500 x Breastmilk storing bags Warm notes: Please allow a little error on the size due to manual measurement. The color might have a slight difference due to different displays. Please read the size instruction carefully before purchasing.