First All Silicone Straw Cup that holds its shape! GoSili cups are 100% European grade silicone with an embedded stainless steel ring to hold its shape. It won't collapse when gripped. GoSili's patented technology paves the way for a new drinking experience and is the perfect alternative to plastic to-go cups. Dishwasher and microwave safe.Easy to use, easy to clean, easy to GoSili. • Microwave Safe
• Dishwasher Safe
• 16 oz Cup
• Fits in all cup holders for on the go
• 100% silicone
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