![Munchkin Click Lock Tip and Sip Weighted Flexi Straw Trainer Cup (7 oz/207 ml, Pink) : Amazon.co.uk: Baby Products Munchkin Click Lock Tip and Sip Weighted Flexi Straw Trainer Cup (7 oz/207 ml, Pink) : Amazon.co.uk: Baby Products](https://m.media-amazon.com/images/I/71k5fP-r9cL._AC_SY355_.jpg)
Munchkin Click Lock Tip and Sip Weighted Flexi Straw Trainer Cup (7 oz/207 ml, Pink) : Amazon.co.uk: Baby Products
![Anyone know the trick to not have these Munchkin weighted straw cups spew liquid out of the top or leak from the straw? My son loves them but they make such a Anyone know the trick to not have these Munchkin weighted straw cups spew liquid out of the top or leak from the straw? My son loves them but they make such a](https://preview.redd.it/o9oiq0y1a5n91.jpg?auto=webp&s=b2dfa212253ad5f1353703f426d4a7874eff1265)
Anyone know the trick to not have these Munchkin weighted straw cups spew liquid out of the top or leak from the straw? My son loves them but they make such a
![Munchkin Click Lock Tip and Sip Weighted Straw Cup, 10oz/296 ml, 1 pack, Blue : Amazon.co.uk: Home & Kitchen Munchkin Click Lock Tip and Sip Weighted Straw Cup, 10oz/296 ml, 1 pack, Blue : Amazon.co.uk: Home & Kitchen](https://m.media-amazon.com/images/I/51+XulgSH9L._AC_SX466_.jpg)