A cap seal chargeback means that the product needed additional preparation to avoid damage and leakage. The chargeback applies to liquid and liquid-adjacent products. [1]
2 What triggers it & how to prevent it Final composition for this type
Liquid/paste/gel/cream?≥ 4.2 oz (125 mL)?Non-hazmat & non-fragile?Lid type?Secondary seal?Locking mechanism?
✕ What triggers it
A cap seal is required, and was missing, when the item is a liquid, paste, gel, or cream and all of the following hold [2]:
Is 4.2 oz (125 mL) or more
Is non-hazmat
Is non-fragile
Has a lid type of twist / screw top, clip-on top, flip top, or hand pump
Does not have a secondary seal (see 6 for the pump exception)
❌ No local rate published[1]MXⓘOn the Mexican and Brazilian marketplaces Amazon publishes the North American page unchanged, and that page states rates for United States and Canadian vendors only — no peso or real amount is published. Check your Vendor Central billing for the amount you are actually charged [1]MX.
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BR
❌ No local rate published[1]BRⓘOn the Mexican and Brazilian marketplaces Amazon publishes the North American page unchanged, and that page states rates for United States and Canadian vendors only — no peso or real amount is published. Check your Vendor Central billing for the amount you are actually charged [1]BR.
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Anything larger than 18 × 14 × 8 inches or heavier than 20 lbs counts as oversized; the current rates took effect on 21 July 2025 [1]
Internal note — not shown in product2026-09-20 NA 四站全量重抓(node GJEHG4PMUM73UCWE 与 GM6RPXLLRCECY5UB)—— 费率段落四站相同(US $0.95 / $1.36、CA 1.36 / 1.95 CAD,生效 2025-07-21,超尺寸 18 × 14 × 8 in / 20 lbs),MX 与 US 逐字相同、BR 与 CA 逐字相同,MX / BR 不发布本地货币金额。requirements 页四站内容一致,CA/BR 仅为英式拼写与标点差异(fulfilment centre 等),无像 E7 / E9 / E10 那样的正文分歧。
4 Official exemptions
This is the only preparation type for which Amazon publishes an exemption. It splits by closure type [2]:
Item type
Exempt when…
Non-pump (twist / screw / clip-on / flip top)
It has a secondary seal (or double seal) — a cap seal is then not required
Pump / spray
A secondary seal alone is not enough. "Liquid pumps without a locking mechanism must have a cap seal even if they have a secondary seal." — exempt only when it has both a secondary seal and a locking mechanism
Cases where a cap seal is not the right prep at all (a different prep applies instead) [2]:
Fragile → bubble wrap required instead (a cap seal may still also be needed if the wrap prevents breakage but not leakage)
Spray bottle without locking mechanism → bagging required instead
Fails a three-foot drop test → bagging or bubble wrap required instead
Internal note — not shown in product校验报告 P0-3 修正落点 —— CS PDF 写 "secondary seal AND locking mechanism — both conditions must be met",把泵类的加严条件套到了全部商品。非泵类只需 secondary seal 即豁免。