This SOLO PL4TSN-0090 disposable clear flat plastic lid with straw slots is suitable for use with a SOLO TP7 Ultra Clear and Y7RH-0100 Galaxy cold cup (sold separately). This lid seals the cup for resistance to spills. It is made of PETE (polyethylene terephthalate) for strength, flexibility, and resistance to cracking and shattering, and is clear for visibility of cup contents. This flat plastic lid has straw slots for holding a straw (sold separately) in the cup. It has a 3-3/32" diameter and is 19/64" high.