myColdCup Ice Stick - Large (8oz) for Wide Mouth Water Bottles (Set of 4)

Large opening for easy filling. Smooth cap is best for keeping clean (no ridges). (Set of 4) An 8 ounce CHUNK OF ICE to keep your drinks cold. For best results, use with PRE-chilled drinks from the fridge. The Ice Stick slides easily into WIDE mouth water bottles and sports jugs. Best for 32 oz to 64 oz water bottles and sports jugs. Fits wide mouth water bottles such as wide mouth Hydro Flask, Klean Kanteen, and Nalgene. Does NOT fit CoolGear bottles. (SIZE of Ice Stick: diameter 2-1/32", height 5-7/8") REFILLABLE, REUSABLE, CONVENIENT. Fill with water and put in freezer overnight. Ice stick has wide opening to easily fill with water. The HDPE plastic is food safe for repeated freeze-thaw cycles. Grab & go - no fuss taking ice cubes out of trays. NOT for cooling down drinks which are room-temperature. THE BEST PART - the water inside this freeze stick, once melted, is perfect to drink too, unlike gel packs that just take up space. Remove lid before putting ice stick into water jug. Ice is the perfect natural solution for keeping drinks cold. If you do not want the drink diluted, simply keep the lid on the ice stick. IMPORTANT - Leave 1/2" unfilled. Water expands when it freezes. Stand Ice Stick up when freezing. Make sure caps are SCREWED ON TIGHTLY. Takes about 6-10 hrs to freeze, depends on the temperature of your freezer. Double thickness, natural translucent white Food Grade #2 (HDPE) plastic for the bottle. No color or dyes added to plastic. Lids are #2 (PP) plastic. No BPA, phthalates, or other harmful substances. BEST possible plastics for contact with food/drinks (meets International and FDA Food Grade standards). Made in the USA. Top rack dishwasher safe.