Fangrui Product Details Ice Tray: Our Ice Tray Is Particularly Compatible With 20-30-40 Oz Cup Car Cups, And The Ice Tray Comes In Three Sizes Of Ice Molds, So You Can Make Different Sizes Of Ice Based On The Size Of Your Glass. Start Your Material: Our Ice Trays Are Made Of High Quality Materials, Food Grade Silicone, And Free To Bring Health To Your Home. Easy To Use - Just Pour Water Into The Molds, Cover Them With The Lid, And Them In The Freezer. Within A Few Hours, Youll Have Flawlessly Shaped Ice That Are Easy To Remove And Ready To Chill Your Drinks Ice Shape: Our Ice Trays Use A Hollow Cylinder Design That Makes The Ice Larger Than The Ice Grains And Has A Smaller Contact , Greatly Reducing The Melting Rate Of The Ice And Allowing For Longer Cooling Times. Bring Pleasure To Your Work And Travel Ice Cup Fans: Ice Maker Are Outdoor Gatherings, Family Picnics, Or Office Breaks. Bring Convenience And Of Luxury To Your Life With Every Sip, For Cup Fans Colour:c:green Material:silica Gel Package Contents: 1x Ice