I'm playing in Quito. Elevation 9300ft. Has anyone played them at an altitude like that?

Yes- in breckenridge CO- elevation quite high as well. The balls fly higher you go. Not the same as playing at sea level, for certain.

What number are they? 1, 2, 3 or 4?

I use them by the hundreds for tennis coaching. I never paid much attention to the numbers, but I opened 4 today and each had 1 can of each number.

Which is firmer, heavy duty or extra duty? I need these to put on my back and keep me from sleeping on it.

My cattle dog loves tennis balls! We have to buy the extra duty or he cracks them quickly. Hope this helps!

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Championship Tennis Balls

Product ID: 2152588

Details

Age Range (Description)
Kid
Brand
Wilson
Color
Green
Item Weight
145 Grams
Material
Rubber

🎾Official ball of US & Australian Open

🏆USTA & ITF approved pro standard

🧵Dura-Weave felt for max durability

63242 ₮

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Description

🎾 Elevate your game with the ball that champions trust!

GRAND SLAM CERTIFIED PERFORMANCE - Trusted by pros at US Open & Australian Open for unmatched play quality.
DURABILITY THAT OUTLASTS THE MATCH - Exclusive Dura-Weave felt ensures longer-lasting bounce and consistent play on clay and indoor courts.
USTA ITF APPROVED FOR OFFICIAL PLAY - Meets all professional standards so you never miss a beat in sanctioned matches.
RESEALABLE CAN FOR FRESHNESS CONVENIENCE - Keep your balls game-ready with a sleek, resealable can that preserves optimal bounce.
PERFECT FOR COMPETITIVE RECREATIONAL PLAY - Ideal for high school athletes and weekend warriors seeking premium performance.

Wilson Championship Tennis Balls are the official balls of the US Open and Australian Open, featuring exclusive Dura-Weave felt for superior durability and performance. Approved by USTA and ITF, these regular duty balls are perfect for clay and indoor courts, making them the top choice for high school players and recreational athletes alike. Packaged in a resealable can to maintain freshness and bounce, they rank #1 in tennis balls with a 4.7-star rating from over 2,000 reviews.

Specifications

ASIN	B00005BWVR
Age Range Description	Kid
Ball Type	Tennis Ball
Best Sellers Rank	#30 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1 in Tennis Balls
Brand Name	Wilson
Color	Green
Construction Type	Woven
Customer Reviews	4.7 4.7 out of 5 stars (2,167)
Global Trade Identification Number	00026388010035
Included Components	Wilson Championship Regular Duty Tennis Balls - 3 Ball Can
Item Diameter	6.54 Centimeters
Item Type Name	Wilson Championship Regular Duty Tennis Balls - 3 Ball Can
Item Weight	145 Grams
Manufacturer	Wilson Sporting Goods - Team
Manufacturer Part Number	WRT100300
Material Type	Rubber
Model Number	WRT100300
Number of Items	3
Number of Packs	1
Size	Single Can (3 Balls)
Sport Type	Tennis
Tennis Ball Duty Rating	Regular Duty
UPC	600682786843 026388010035 782560434890
Unit Count	1.0 Count
Warranty Description	As Labelled

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63242 ₮

Duties & taxes included

In stock

Sold byAmazon MongoliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Mongolia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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