Toddmomy 4Pcs Slim Ice Packs for Lunch Boxes, Reusable Freezer Packs for Kids School, Thin Cooler Ice Blocks for Lunch Bags, Camping & Hiking, Leak-Proof PE Material, 6.1 x 4.5 in

["KEEP FOOD FRESH & COLD: Stay for hours with our advanced cooling technology. Designed specifically for lunch boxes and coolers, these freezer packs ensure your sandwiches, snacks, and drinks remain fresh from morning until lunchtime. Perfect for school kids and office professionals","ULTRA-SLIM & SPACE-SAVING: Measuring only 0.98\" thick, these slim ice packs fit perfectly into crowded lunch bags without taking up valuable food space. The lightweight, thin design makes them the ideal lunch box accessories for toddlers, kids, and adults","LEAK-PROOF & DURABLE PE: Crafted from thickened, high-density PE material, our cooler packs are built to last. The rugged construction is impact-resistant and designed for heavy-duty daily use. Once sealed, the leak-proof design prevents messy spills in your bag","EASY TO USE & REFILLABLE: Simply fill with water once, seal, and freeze. These DIY water-fillable packs arrive flat, saving your storage space. A short freezing time provides great cooling performance for all your outdoor adventures","VERSATILE OUTDOOR COMPANION: More than just for lunch boxes! These portable cooling blocks are essential for camping, hiking, picnics, and beach trips. They even fit into air conditioner fans for a quick breeze. A must-have for camp kitchen and cooler accessories"]