Each ball is marked a number: 1, 2, 3 or 4. what does this number mean? tia.

Typically, in any can of balls, you will see the manufacturers name (Penn in this case) and a number. If there are 3 balls in a can, all will have the same number. The reason for that is that if you remember your ball's numbre and the manufacturer, you can easily find it if the ball gets away into another court. That is really the only reason a ball is numbered. The number does not designate what type of a tennis ball it is. I hope that helps! Take care. David B.

If the tennis balls were transported by flight, will the air-pressure damage the balls (resulting in dead balls) ?

If the shape of the can does not change, the pressure inside the sealed can will remain consistent. The pressure on the outside of the can will not affect the inside. Temperature, however can affect the pressure. Higher temp, more pressure. Not sure how that will affect the balls.

Does it really take 2-5 weeks for delivery?

Should take less than one week-- 10 days at most.

Just confirming that these are 12 cans of balls (36balls in total)

COSTCO Warehouse sells 20 cans for $35.99 everyday prices for the exact same types of lower quality balls, can you provide a reason why anyone should buy here? THX

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Penn Championship Tennis Balls - Extra Duty Felt Pressurized - 3 Balls (Pack of 4)

Product ID: 236060

Details

Age Range (Description)
Adult
Brand
Penn
Color
Yellow
Item Weight
8 ounces
Material
Rubber

🎾100% wool felt for pro-level durability

🛡️Extra duty felt ideal for hard courts

🇺🇸Official USTA league ball, USA-made quality

¥11209

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎾 Elevate your game with the ball that champions trust!

ALL COURT VERSATILITY - Engineered for hard courts but performs flawlessly on clay and indoor surfaces
CENTURY OF PERFECTION - Backed by 100 years of relentless testing and innovation
CONSISTENT COURT CONTROL - Controlled fiber release ensures even nap and predictable bounce every time
LONG LASTING PLAYABILITY - Interlocked wool fibers maintain ‘like new’ feel match after match
PRO APPROVED OFFICIAL BALL - USTA and ITF approved, trusted by leagues nationwide

Penn Championship Tennis Balls feature 100% wool felt and molded rubber construction, delivering unmatched durability and consistent performance. Officially approved by USTA and ITF, these extra duty balls excel on hard courts but adapt seamlessly to all surfaces. With a century of refinement behind them, they offer professional-grade quality and lasting playability in every pack of 12.

Specifications

ASIN	B0002JZEL4
Age Range Description	Adult
Ball Type	Tennis ball
Best Sellers Rank	#18,576 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #37 in Tennis Balls
Brand Name	Penn
Color	Yellow
Construction Type	Molded rubber and wool fiber construction
Customer Reviews	4.8 4.8 out of 5 stars (4,420)
Global Trade Identification Number	00072489010177
Included Components	all
Item Diameter	2.7 inches
Item Type Name	ball
Item Weight	8 ounces
Manufacturer	Penn
Manufacturer Part Number	5550
Material Type	Rubber
Model Number	5550
Number of Items	12
Number of Packs	4
Size	3 Balls (Pack of 4)
Sport Type	Tennis
Tennis Ball Duty Rating	Extra Duty
UPC	072489010177
Unit Count	12 Count
Warranty Description	1 year

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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