kong stuffn

The Classic refillable KONG toys are made from KONG’s red rubber material—listed in product details as the KONG Classic red rubber formula.

KONG toys have openings and shapes specifically designed to hold and be refilled with treats. Product descriptions label them “Holds Treats, Refillable” and market them as “great for stuffing” to extend playtime.

Care instructions list rinsing as the cleaning method. Product bullet points typically state: “Care & Cleaning: Rinse Clean.”

The Classic red rubber formula is identified as intended for average chewers.

Across available sizes, listed dimensions typically range about 1.75–3.5 inches in length, 3–5 inches in height, and 1.75–3.5 inches in width, with weights approximately from 0.11 to 0.77 pounds.