ChewStix Tough Mega Stick is an extra-long, durable chew for a safer option than sticksfor dogs who dream of branches. Real wood contents satisfy natural chewing instincts; enticing aroma and grooves clean teeth. Fits into KONG Classic to create an extended chewing experience with a bouncy KONG base that launches bouts of fetching fun between blissful chewing. Extra-long, durable chew satisfies chewing instincts Fits into KONG Classic for extended enjoyment Grooves entice engagement while cleaning teeth and gums Wood scent rewards appropriate chewing behavior Contains real wood for safer chewing L/XL (fits KONG Classic XL and Large) Size Recommendation: 35-90 lb / 16-41 kg