Create an airtight seal for the the things you need that waterproof, dustproof, strong and durable with these resealable bags with zip-locking closure. Made of EVA material, these 7.9″x 9.9″ bags have ventilation holes that squeeze out excess air. Transparent bag with frosted design. Add your school, sports team, organizational or company logo or message to customize. Order of 100,000 units or greater are eligible for sea shipping.100% guarantee for quality.