This small poly bag can be sealed with twist ties, Kwik-Loks, Impulse Sealer or other sealers. This pouch has a clear exterior that is easy to see into. This small poly bag has a 1 mil thick material for carrying light to medium weights. This pouch comes in a case of 1,000. The complete size is 5 x 4 x 15 (L x W x H). The case weighs nine pounds.