Good Insulation: Neoprene Is The Material Which Is Used to Make Wetsuit. If It Can Keep A Surfer'S Body Temperature Stable. Just Think Our Lunch Bag Will Insulate Your Lunch. with High Quality Neoprene. Our Fashion.Reborn Lunch Bag Keeps Your Food Nicely Warm Or Chilled for 2 to 4 Hours.Age Grading: 12 to 40 Years Old Compact. Lightweight Design Size: 11.4""""(29Cm) X 11.""""(28Cm) X 5.5""""(14Cm).Familytoy Lunch Bags Feature Are Great for School Or Work Lunches Because They Not Only Offer An Easy-To-Use Zip Enclosure At The Top. Zip Closure.Art Image On Double Side.Folds Flat for Storage.But Expands to Fit A Variety of Containers. and They Can Fold Flat Or Roll Up When Not In Use. Perfect Gifts & Multi-Purpose: It'S Ideal to Use As Housewarming. Parties. Christmas. Thanksgiving. Birthday and Other Holiday Gifts. Packing Your Favorite Food and Take It with You to The Office. Grocery Store. Picnics. Concerts. Bbq. Beach. Parties. Camping. Etc. It Is Also A Great Diaper Bag for Moms Or Dads and Can Also Be A Feminine Cosmetics Bag. Easy to Clean: Can Be Repeated Cleaning.Machine Washable. Easy to Dry. Never Fade and It'S Ready to Go Each and Every Day. Waterproof. Breathable and Soft. You Won'T Find A Better Lunch Box. Shipping Method: If You Like Our Products. Please Click ""Add to Cart"". Your Satisfaction Is Our Goal to See More Similar Products. Please Click The Brand Name Familytoy Or Browse In Our Store.