PREMIUM LUNCH BOX ICE PACKS– Ideal for kid’s lunches, office snacks, or keeping food and drinks colder when you’re traveling or on the go. These reusable ice packs are designed with a flexible exterior and long-lasting gel inside. LARGE + SLIM rectangular shape is made to provide superior cooling coverage. Size 4.3" x 7.5" x 0.4 / 10.9 x 19 x 1 cm. MALLEABLE POUCH DESIGN– Unlike ice blocks or packs that are inflexible ours can bend and shape to your lunch box storage pockets when un-frozen (will freeze solid), which makes them easier to use for a variety of different bento and lunchbox styles. SOFT TOUCH FABRIC EXTERIOR – Deluxe nylon is filled with ECO-FRIENDLY freezing cellulose-based gel to help minimize moisture inside. This keeps your coolers, lunch totes and containers dryer and helps prevent soggy breads or contents. PVC, BPA, Lead and Phthalate-free. REUSEABLE AND REFREEZABLE– A smart choice for busy parents or adults looking to save money and time our lunch box ice packs are SUPER COOL to last up to 4 hours per use and can be frozen again simply by putting it back in the freezer. IDEAL LUNCH BAG PAIRING – These multipurpose ice packs pair perfectly with kinsho bento boxes and lunch bags and slip in seamlessly without taking up much-needed space making them ideal for school or work use. DITCH THE PLASTIC in other ice pack containers and upgrade your lunchbox! Introducing kinsho Ice Packs for Lunch Boxes! You've loved our bento boxes, now we have eco-friendly reusable ice packs to keep your meal even cooler! LARGE + SLIM rectangular shaped 4 pack of ice packs for lunch boxes are made to provide cooling coverage in your for your lunches. Size 4.3" x 7.5" x 0.4 SOFT TOUCH nylon fabric cover makes these a pleasure to use for kids or adults and prevents your cooler or lunch tote from getting wet from condensation. ECO FRIENDLY our kinsho cold packs are filled with cellulose gum - the plant-based food safe ingredient commonly used as a thickener in food like ice cream! Cellulose gum is derived from cellulose - the most abundant organic compound on earth!) PVC, BPA, Lead and Phthalate -free. SUPER COOL these provide long lasting freshness for your meals for 4 hours and beyond. Large size also supports max cooling capability.. DITCH THE PLASTIC in other ice pack containers and upgrade your lunchbox! Fits kinsho lunch bags and bento boxes. Satisfaction guaranteed - our customer care team is in Boston and will answer any questions within 24 hours.