It is made of heavy duty 12oz canvas with inside pocket for carrying small items. Further, the top closure makes your goods safer. It is an ideal bag for beach, school, teachers, nurse, work, travel, swimming, sport, yoga, dance, travel, carry-on, luggage, camping, hiking, team work picnic, party, gym, library, spa, trade show, wedding, conference, etc. Quantity over 1000pcs the price by sea. Please feel free to contact us!