Lightweight plastic cups feature attractive, strength-enhancing sidewall ribbing. Embossed capacity marks enable quick, accurate and consistent fountain filling. Printable surface provides opportunities for custom branding and fill identification. High-quality polystyrene construction eliminates the potential for flavor and odor transfer. Smooth-rolled rims accommodate lid-free sipping. Leak-resistant, snap-tight lids sold separately, unless otherwise noted. Horizontal Sidewall Ribbing. Cup Type: Cold; Capacity Volume: 7 oz; Materials: Polystyrene; Colors: Clear.