Solid Contoured Backup Ring 8.000" x 8.375" x 0.076" - Nitrile

Marsoni

M251S

$15.28

Get it in 3 business days with 1 day shipping. Friday, May 29

Solid Contoured Backup Ring 8.000" x 8.375" x 0.076" - NitrileProduct Details : Solid Contoured Backup Ring 8. 000" x 8. 375" x 0. 076" Nitrile Part No: 8 369 N90 Product Category: O Rings Product Type: Solid Contoured Backup Ring Series: 8 XXX Dash No.: 369 Material(s): Nitrile Material Code: NBR Durometer: 90 Temperature Range: 40F to +250F ( 40C to +121C) System Of Measurement: Inch Dimensions: 8. 000" x 8. 375" x 0. 076" Nominal I. D. (d) : 8. 000" Nominal O. D. (D) : 8. 375" Nominal Width (W): 0. 187" R: 0.

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My 8 month old German shepherd dog loves these balls. They are easy to throw, they bounce great, they are very chewable! She keeps one in her mouth most of the time. It satisfies her need to chew and she does not chew other things. She drops it in the water and lets the hole fill up and drinks that way. The only problem that has caused is suction in her mouth and difficulty in dislodging it for her. However, she would be lost without it!

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Reviewed in the United States on April 19, 2023

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Helena

Louisville, US

★★★★★ 5

These are definitely indestructible

Size: Medium

Both of my dogs can destroy a ball in a matter of minutes if I let them play with them (supervised) as is. Well not with these balls. They are the ONLY ones I have found that are 100% indestructible. Please only let your dogs play with these as a toy when supervised though. They go really far when throwing them, so both dogs get a good amount of running and exercise with these. I also bought these because they have the hole in the middle of the ball which is very important in the event that a dog gets one stuck at the back of their throat. This allows them to breath unlike those without this hold. It's an unlikely event, but as dog owners, we all need to be aware of this and educate ourselves on what to do if this SHOULD happen. This isn't a scare tactic, nor a reflection of this particular brand, it can happen with any type of ball. My two dogs are about 45ish lbs and the size is perfect for them, I don't want anything smaller than this. They love them. There is no annoying squeak. Really easy to wash after use. Some balls take forever to get the slimy saliva off, but these don't.

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Reviewed in the United States on September 25, 2025

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Ale quintero

Grantham, US

★★★★★ 5

He loves this ball

Size: Medium, Size: Medium

My dog loves this ball. It’s the perfect size, he enjoys playing fetch and this ball has been his fav one. Thank you guys for making my lil one happy

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Reviewed in the United States on May 2, 2026

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Verucat

Birmingham, US

★★★★★ 5

Yes!

Size: Medium

Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.

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Reviewed in the United States on September 28, 2025