SAFE Material: 100% BPA free food grade HDPE plastic. Pass FDA and MSDS test. It is ok to touch food. SIZE: 5.21*7.28*0.53 inch/piece . Flat and slim ice packs fit all kinds of lunch boxes. Perfect for office lunch bags REUSABLE: Sturdy cool packs made from hard plastic.Can be frozen many times. Cheaper than buying ice instead each time. CONVENIENT: Gel Blue ice packs no need to empty out a cooler full of water,easy to clean up. Hand wash only MULTI-FUNCTIONAL:Cooler ice packs long lasting cold.Perfect for outdoor activities.Such as picnic,camping, hiking, party,fishing,food delivery.Keep food & drinks cold and fresh.Make your food more tasty Product Name OICEPACK Ice Packs with Poker Design,(Set of 4,6,10) Large Ice Packs for Lunch Boxes,Cooler Ice Packs,Long Lasting Lunch Bag Ice Packs,Slim Reusable Cool Packs for Food,Freezer Ice Packs,Gel Large Ice Packs non-toxic, BPA-free ice packs, blue, Poker Aces Design Brand Name OICEPACK Size 5.21*7.28*2.36 inch / each ice pack weight : 0.61LB / each ice pack packaging : each set includes 4 6 10 packs for optio MaterialFood Grade Hard plastic How to use 1.Large/ Medium Size Poker Aces pieces stay cold for long time 2. Suitable size fits perfectly into all types of lunch box, lunch bag, and coolers, the wide base makes sure everything below or above remain cool, fresh and tasty for hours. 3.Essential tool to keep your food cool in lunch box at school or office, even for various outdoor activities.