Polystyrene Cold Cup Lids, 16-24 oz Cups, Translucent, 125/Pack, 16 Packs/Carton. Put value first - choose an economical option for your SOLO® cold cups. Handy lids seal with a tight snap, ensuring excellent leak-resistant performance. Customers appreciate the easy-stab, X-cut straw slot and pushdown identification button options. Odorless polystyrene keeps beverages tasting as they should, without the hint of a flavor alteration. Convenient sizing design allows you to use one lid model for up to five different cup selections. Identification Buttons. Fits: 16, 22 oz Cold Cups; Material(s): Polystyrene; Color(s): Translucent; For Use With: RP12SP-00055, RP16P-00055, RSP16P-00055, RSP21P-00055, RSP22P-00055, RP12SP-J8000, RP16P-J8000, RSP20P-J8000, RSP21P-J8000, RW16BB-JD110, RS22BB-JD110, RW16-00055, RS22N-00055, RW16-J8000, RS22N-J8000.