Amazon.com: Stainless Steel Sippy Cups, 10 oz BPA Free ...
【Excellent Insulation Performance】Stainless steel double-layer vacuum insulation cup structure, excellent insulation performance. 【Vacuum Insulation】10 ounces, stainless steel double-layer, vacuum insulation technology, can maintain hot water temperature for 12 hours, cold drinks for 12 hours. This unique glass is a companion for babies.
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