
CUPKIN Original 8oz Stackable Stainless Steel Insulated Tumblers (2-Pack)
Stackable stainless steel insulated tumblers that save cabinet space without sacrificing temperature retention.
CUPKIN makes kids’ drinkware that’s built to survive actual parenting. The 8oz stackable stainless steel tumblers come in a two-pack with a clean black and white finish that won’t clash with your kitchen or daycare drop-off bag. These are powder-coated, which means no chipping, peeling, or melting — even after months of dishwasher cycles and the occasional floor drop.
The double-wall insulation keeps milk cold for hours and warm drinks comfortable to hold. At 8.5 ounces, the size is practical for toddlers: enough liquid to hydrate without spills overwhelming the lid. Both the lids and straws are top-rack dishwasher safe, though hand washing preserves the color longer. Third-party lab testing confirms they’re free of lead, BPA, and other concerns. The lifetime guarantee backs the build quality.
One honest note: hand washing is recommended to keep the black and white finish looking sharp. Dishwasher use won’t ruin them, but the powder coat can dull over time with high heat. For a $25 two-pack that stacks neatly in cabinets and survives daily chaos, that’s a fair trade-off.
Brand: CUPKIN
Where to find it: Amazon
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