Polypropylene Plastic;Disposable pet waste bag dispenser with built-in flashlight; Case features storage compartment filled with approx 20 disposable PE plastic starter bags for the careful pet owner; Refills not available for purchase, however case unscrews to refill with extra plastic shopping bags from around the home or your local pet supply store (note: we cannot guarantee the number or size that will fit); Disposable bags measure approx 10"w x 11.5"h each; Twist on/off to activate LED lightUses 3 button cell batteries (included and replaceable); Plastic carabiner clip at end for attaching to bags or belt loops; WARNING: To avoid danger of suffocation, keep this plastic bag away from babies and children Do not use this bag in cribs, beds, carriages or play pens; Product Size: 4.125" h x 1.5" dia.;