Size Duel deck / Sport, food and everyday things
Volleyball
Mass: indoor competition ball
about 270 g (9.52 oz)
Range used for fair duels: 260 g to 280 g.
Rules allow 260 to 280 g.
Sources and checks
Checked 2026-10-21: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source, in their original language.
“260-280 g”Dimensions.com: source, retrieved 2026-10-21; quote re-found by the server check
“260–280 gram”Store norske leksikon (in Norwegian): source, retrieved 2026-10-21; quote re-found by the server checkSpotted a mistake? Tell us; a correction gets a new revision.