Plastic | | ?Large Storage Capacity Water Bottle Storage? The 4 Tier Bottle Holder Measures 11" 7.9" 14".Diameter 3.6 " Can Accommo 40Oz Tumbler Organizer,It Can Hold Up To 3 Bottles On Each Shelf And Accommo A Total Of 12 Bottles To Meet Your Demand | | ?Stacked Anti Slip Design?The Tumbler Storage Organizer For Cabinet Can Be Stacked Firmly Together Or Used Individually As Needed To Help Save Space And Keep Your Cabinet And Countertop Neat And Tidy. It Also Features Non-Slip Design In Each Slot To Prevent Bottles From Rolling Off | | ?Widely Used Cabinet Cup Organizer? Water Bottle Rack With Modern Design Is Suitable For Kitchen Cabinet, Cupboard, Countertop, Pantry, Refrigerator, Bar, Wine Cellar And Gym. ItS Perfect To Organize Thermal Cups, Sports Bottles, Soda, Juice Drinks, Champagne, Wine, Etc | | ?Easy Installation And Clean? These Water Bottle Storage Organizer With Simple Structure Are Easy To Assemble In 1 Minute Without Any Tools. Simply Wipe It Ge.