The Siliskin Sippy Top is a silicone top that stretches over and grips any sized cup, using air suction to keep the top in place. Add the Siliskin Sippy Top to any glass or cup of your choice to make it an instant sippy cup! Includes two tops.

Product Details: 

• Silicone top stretches over and grips top of multiple size cups
• Added stretch and shock absorption band help protect glass
• Air suction keeps the top in place
• Makes an instant, no spill cup
• Dishwasher safe
• 100% silicone