Bag size: 3"W x 4"H They are 2 millimeters clear reclosable bag, 200pcs ziplock bag. | The quality of the plastic is great, and the resealable strip has a good snap. They are fully transparent, so that contents are clearly visible and the zipper works perfectly. | These have no offensive smell and are thick enough that pointy bits don't tear through. The zipper portion is easy to close. | Uses: Available for jewerly, snacks, business card, vitamins, candy , cookies, beads or decorative with protection from moisture and dust. | Well made and able to open, seal, and reseal with ease-no problems with lining up the ziplock part and none split! Perfect size and highly recommend!