Two per pack and are compatible with our sea turtle snack stacker and our blue whale formula stacker. Purchase a pair of seashell lids and convert your formula stacker into two individual 4 oz snack containers!


* Independently tested for quality and safety

* Made from recyclable polypropylene plastic (#5)

* Free of BPA, phthalates, PVC, and lead

* Sold in twin-packs

* Compatible with snack stacker and formula stacker

* Complies with EN 14350 and CPSIA