The Kona Xxl Large Cooler Ice Packs Are Space-Saving,, Minute Freeze Time. BEST SIZE FOR COOLERS: Extra Large 13 x 10 and only 1/2 inch thick. Stop wasting space and increasing weight with ice and thick ice packs. Also use with reusable shopping bags, ice boxes, etc. RAPID FREEZE: Ready for use in under 25 minutes. Each pack absorbs a massive amount of heat keeping everything cold for a longer time period! LONG-LASTING and REUSABLE: These are tough and ready to withstand the test of time! Store your meat, fish, ice-cream, food and drinks with no ice-problems in mind! WHAT YOU NEED: Are you tired of cleaning melted ice water? Store everything with confidence at all times. Our extra large ice packs are exactly what you need! SATISFACTION GUARANTEED OR FULL REFUND: There's nothing above our clients' satisfaction and happiness. If you don't fall in love with our extra-large ice packs, we'll fix it hassle-free!