3 x Can Cooler Sleeves US flag can cooler sleeves: great for BBQ sporting events 4 Of TV night Memorial Day etc. Suitable occasions: great for BBQ TV night Memorial Day Bon Fires Camping and bachelorettepartie graduations camping pool parties bridal shower wedding etc. Material: made of high density neoprene material which is thick and durable. Can be washable and reusable for long-time use. Convenient: Suitable for cans with a bottom diameter of about 8cm suitable for most beverages. Function: can absorb condensation to your hand from being cold; can keep your drink cold.