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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WILSON Championship Tennis Balls

Product ID: 1052082

Details

Age Range (Description)
Adult
Brand
WILSON
Color
Yellow
Item Weight
0.02 Kilograms
Material
Rubber

🎾USTA & ITF Approved

🏆Official Ball of Grand Slams

🛡️Dura-Weave Felt Durability

P312

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Description

🎾 Elevate your game with the ball that champions trust!

VERSATILE PLAY - Ideal for all skill levels and perfect for both tournament and casual matches on any hard surface.
GRAND SLAM CERTIFIED - Play with the official ball of the US Open & Australian Open for unmatched tournament-level performance.
DURABILITY THAT LASTS - Exclusive Dura-Weave felt ensures extra duty resilience on hard courts, keeping your game sharp longer.
PRO LEVEL CONSISTENCY - USTA and ITF approval guarantees consistent bounce and feel for all competitive and recreational players.
RESEALABLE CAN CONVENIENCE - Keep your balls fresh and ready with a resealable can designed for tidy storage and extended lifespan.

Wilson Championship Tennis Balls are the official balls of major Grand Slam tournaments and NCAA tennis, featuring exclusive Dura-Weave felt for superior durability and performance on hard courts. USTA and ITF approved, these extra duty balls come in a resealable can to maintain freshness, making them the top choice for players seeking professional-grade quality and consistency.

Specifications

ASIN	B001FZCVTM
Age Range Description	Adult
Ball Type	tennis ball
Best Sellers Rank	#24 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1 in Tennis Balls
Brand Name	WILSON
Color	Yellow
Construction Type	Woven
Customer Reviews	4.8 4.8 out of 5 stars (14,627)
Global Trade Identification Number	00026388010011
Item Diameter	6.54 Centimeters
Item Weight	0.02 Kilograms
League Name	Tennis
Manufacturer	Wilson
Manufacturer Part Number	FBA_WRT100101
Material Type	Rubber
Model Number	WRT100101
Number of Items	1
Number of Packs	1
Size	Single Can (3 Balls)
Sport Type	Tennis
Stitching Type	Woven
Team Name	tennis
Tennis Ball Duty Rating	Extra Duty
UPC	026388010011
Unit Count	3.0 Count

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P312

Duties & taxes included

In stock

Sold byAmazon BotswanaDelivered 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 Botswana.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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