Product details:

San Jamar C4150SS Stainless Steel Small Water Cup Dispenser with Hinged Flip Cap, 16" LengthAccommodates cups with a rim diameter from 2-1/4" to 2-7/8"; Most cone styles from 3 to 4-1/2 ounces and most flat bottom from 3 to 5 ounces- Flip Cap allows refilling without removing cap- Self-adjusting dispenser for one-at-a-time dispensing- Constructed of 26-gauge 304 stainless steel- Included mounting hardware will work on coolers or any flat surface- This Small Pull-Type Water Cup Dispenser accepts a wide variety of cup sizes and styles.