Specification Brand : POOLHACKER BulletPoint1 : Easy to use - simply place two winter balls in your pool before closing to maintain pool cleanliness. BulletPoint2 : Workload reduction - our winter kit maintains water clarity and vibrant blue color for the next season. BulletPoint3 : Suitable for all pools - two balls for pools up to 30,000 gallons, any shape or size. BulletPoint4 : Reliable protection - our winter kit safeguards pool surfaces without compromising other treatments. BulletPoint5 : Tiny Winter Balls, Tremendous Results - Ensure your pool is as clean when you reopen. ItemName : POOLHACKER Winter Closing Kit - Pool Winterizing Kit for above Ground Pool and inground Pools, Easy to Use - Up to 30,000 Gallon ItemPackageDimensions_Height : 17.1958 centimeters ItemPackageDimensions_Length : 8.2042 centimeters ItemPackageDimensions_Width : 16.2052 centimeters ItemTypeKeyword : hot-tub-accessories Manufacturer : 1 ProductDescription : 1 SupplierDeclaredDgHzRegulation : not_applicable