1. [Keep Your Ice Bath Tub Cold Longer ]This is a perfect alternative to buying ice，The 8 LB Ice Cubes is big enough For Your Cold Plunge,melt slowly,speeding up your recovery time post workouts, reducing muscle soreness,get ready for unmatched ice bath recovery ! A must-have accessories for any Ice bath tub and Portable Cold Plunge Tub owners,give it a try – you won't regret it! 2. [Collapsible Food-Grade Silicone]these ice block mold are collapsable for easier storage and carry,trapezoidal design, flexible and bendable silicone with polished non-stick surface makes popping out ice blocks a cinch. 100% food-grade silicone material to ensure safety and health that won't release any chemicals into your water and irritating your skin and pollute environment. These big Ice trays can be used for coolers,soap mold, beach trips, camping, hunting, BBQ, fishing, and more. 3. [Thickened Silicone Mold Whit The Lids]The lid ensures no water spills out of the freezer during the freezing process,Thickened silicone ensures sturdy enough to support,still keep good shape while the water freezes,they don't deform or break when holding the weight of the massive ice loaf,ensuring its durability. Unlike small and flimsy bread pans and plastic ice cube trays and ziploc bags are esay to break,collapse after repeated uses! Save the head ache and go for quality. Save time, money and energy on these reusable extra large ice mold ! 4. [Sustainable,Convenient and Cost-Effective]The huge ice cube mold is a reusable and affordable ice maker tool that provides a cost-effective solution to cold ice bath tub without spending much money on ice at the store all the time. Perfect size,easy to stock up in your freezer. No annoying lids to deal with. Just fill water into the ice tray and put it in the refrigerator to freeze for about 12-24 hours. Dishwasher safe.These giant ice block mold will pay for themselves off over time.