Give any cup a straw top in seconds. The siliskin straw top is a silicone top that stretches over and grips the top of multiple size glasses and in an instant, gives it a straw top and makes it spill proof.
• Give your cup a straw top in seconds
• Silicone top stretches over and grips top of multiple size cups
• Air suction keeps the top in place
• Add it to a Siliskin Glass or glass of your choice
• Makes in instant, no spill cup
||Blue, Purple, White