• Long-lasting Gel - Each reusable ice pack measures 6.3'' x 3.4'' x 0.7'', weighs 7 oz, gel filled ice pack retains coldness much longer than ordinary water injected ice packs. They freeze quickly and stay frozen for a long time, it lasts approximately 6 hours. To maximize cooling power, freeze each ice pack overnight before next day use.
• Cost-effective - Each package included 6 lightweight and thinner ice packs, awesome in keeping meals fresh on the go, great for kids to take to school in their lunch totes, adults to the office, or for outdoor camping. Keep your to go food containers cold and dry.
• Super Versatile - Freezer pack lunch pack ideal for bento boxes, office lunch bag, fishing trip, hiking & camping and much more. It will keep your food cold and fresh for long time so you can enjoy it fresh and tasty, it can be used for transportation of food or beverage need keep in cold temperature.
• Safe and Durable - Our cooling packs are leak-proof, sturdy and made with 100% BPA-Free non-toxic materials, the food-grade HDPE shell is ultra slim and compact. Don't take up a ton of room and easy to clean.
• Quality Guaranteed - Lunch box cold packs are perfectly freezer packs for families to keep food and drinks cold fresh without ice melting. WORLD-BIO with over 20 years manufacutre experience, our mission is providing hot cold therapy pack to customer from worldwide.