Locklock Classic, The Original Type, Has Reached Millions Of Homes Around The World And Has Gained The Highest Customer Satisfaction. These Big Containers For Storage Are Airtight Leakproof. These Air Tight For Food Storage Containers Are Scientifically Designed For Stacking Both Upwards And Sideways To Save Space In Your Kitchen.&Nbsp; This Biscuit Container Airtight Can Also Be Used To Carry Food Beverages Without The Fear Of Spilling When You Are On The Go. Locklock'S Classic Air Tight Containers For Kitchen Storage Plastic Come In Handy For Storing Fresh And Frozen Foods From Healthy Snacks Like Cut-Up Fruits Vegetables To Leftovers Or Dinners For The Week. These Versatile Large Storage Containers Can Be Used To Transport Lunches To From Work Or School Or Even For Storing Smaller Kitchen, Office, Or Craft Items. Locklock'S Full Line Of Classic Large Plastic Containers For Storage Has A Securely Locking Lid For Airtight Storage And Peace Of Mind. Furthermore, The Clear Body Of The Containers Makes Identifying Contents Easy--No Labels Required. Air Tight Containers Plastic With Four-Sided Locking System. The Four Sides Of The Locking System Promote An Airtight Seal Due To Equal Pressure To All Four Sides, Along With The Hollow-Center Silicon Sealing Ring That Makes It Possible To Lock Tightly (The Silicone Sealing Ring Can Be Removed For Cleaning If Necessary). Locklock'S Classic Containers For Kitchen Storage Airtight Feature An Innovative Four-Sided Locking System For An Airtight Seal Watertight Storage So Food Stays Fresh Longer There Are No Messy Leaks Or Spills To Worry About.&Nbsp; The Airtight Plastic Container Can Withstand Temperatures Ranging From -4 Degrees F To 210 Degrees F, Making Them Suitable For Freezer, Microwave (Reheating Only), Dishwasher (Top Rack). The Base Lid Should Not Be Used.