Ennyo Ice Ball Mold - FlexTech Durable Silicone Ice Tray - Freezes 4 X 4.5cm Round Ice Ball Sphere-Frosty White cool your drinks in a new and refreshing way durable Flexi-Tech silicone *4x4* 4.5cm ice balls non-toxic and dishwasher safe enter the promo code 5TZH7AI7 for a buy 2 get 1 free deal