This Bad Boy Dog Costume is perfect for accompanying any bad owner! Everyone will know who you and your doggie are when he wears this bad dog costume including tough-guy jumpsuit with skull and crossbones design. “Small fits dogs with a back of 11″-14″, neck 14″-16.5″ Medium fits dogs with back 14.5″-17″, neck 17″-20”. Availability: This Bad Boy Dog Costume takes approximately 1-2 business days to leave the warehouse plus transit time. Please allow additional time during peak holiday periods.