The 7-Eleven store in Denville, NJ is known for its cleanliness, friendly staff, and excellent service. Customers consistently praise the staff's friendliness and attentiveness, noting that they keep the store clean and well-stocked at all times. The staff's dedication to customer service is particularly noteworthy, with one customer sharing a story of the staff's generosity and kindness in providing free food and drink after a dispenser malfunction. Overall, this 7-Eleven location is highly recommended for its commitment to customer satisfaction and positive atmosphere.