Tumbler – 9oz Stainless Steel cup (onyx and Klean Kanteen kids plates and cups)

Description

DESCRIPTION:

Klean Kanteen stainless tumblers are plain stainless or colorful. They are about 3.75"H x 3"W and are made from recycled (likely 18/8) stainless steel.

Onyx 9oz stainless steel Tumbler (18/8 steel). 100% recyclable Dimensions: 3.75"H x 3"W

Quick info on stainless, to the best of our research:

430 or 18/0 is 18% chromium; no nickel

304 or 18/10 or 18/8 is 18% chromium and 10% and 8% nickel, respectively,

200 series is stronger and less corrosive and better value but can rust or discolor more easily so wash and dry before after use. These have 3.5-5.5% nickel; 16-18% chrome and 5.5-7.5 manganese.