A package (106; 306) comprising a carrier (105; 305) at least partially holding at least a first container and a second container, each of the first container and the second container comprising a top portion and a body portion, the carrier (105; 305) comprising: a top panel (110; 310), a first outer side panel (112; 312) foldably connected to the top panel, a first inner side panel (116; 316) foldably connected to the first outer side panel (112; 312), a second outer side panel (124; 324) foldably connected to the top panel (110; 310), a second inner side panel (128; 328) foldably connected to the second outer side panel (124; 324), a first bottom panel (120; 320) foldably connected to the first inner side panel (116; 316), and a second bottom panel (132; 332) foldably connected to the second inner side panel (128; 328); at least a first container-receiving portion (107; 307) and a second container-receiving portion (109; 308), each of the first container-receiving portion (107; 307) and the second container-receiving portion (109; 308) comprising a first retaining feature (136, 138) extending in at least one of the first inner side panel (116; 316) and the first outer side panel (112; 312) and an opposing second retaining feature (140, 142) extending in at least one of the second inner side panel (128; 328) and the second outer side panel (124; 324), the top portion of the first container being at least partially retained by the first retaining feature (136, 138) and the second retaining feature (140, 142) of the first container-receiving portion (107; 307), and the top portion of the second container being at least partially retained by the first retaining feature (136, 138) and the second retaining feature (140, 142) of the second container-receiving portion (109; 308); and each of the first bottom panel (120; 320) and the second bottom panel (132; 332) is at least partially disposed between the top panel ((110; 310) and the top portion of the first container and second container; characterized in that at least one of the first outer side panel (112; 312) and the second outer side panel (124; 324) comprises a concave curved portion (178; 378) adjacent at least one of the first container-receiving portion (107; 307) and the second container-receiving portion (109; 308) and extending at least partially between the first container-receiving portion (107; 307) and the second container-receiving portion (109; 308). a top panel (110; 310), a first outer side panel (112; 312) foldably connected to the top panel, a first inner side panel (116; 316) foldably connected to the first outer side panel (112; 312), a second outer side panel (124; 324) foldably connected to the top panel (110; 310), a second inner side panel (128; 328) foldably connected to the second outer side panel (124; 324), a first bottom panel (120; 320) foldably connected to the first inner side panel (116; 316), and a second bottom panel (132; 332) foldably connected to the second inner side panel (128; 328); at least a first container-receiving portion (107; 307) and a second container-receiving portion (109; 308), each of the first container-receiving portion (107; 307) and the second container-receiving portion (109; 308) comprising a first retaining feature (136, 138) extending in at least one of the first inner side panel (116; 316) and the first outer side panel (112; 312) and an opposing second retaining feature (140, 142) extending in at least one of the second inner side panel (128; 328) and the second outer side panel (124; 324), the top portion of the first container being at least partially retained by the first retaining feature (136, 138) and the second retaining feature (140, 142) of the first container-receiving portion (107; 307), and the top portion of the second container being at least partially retained by the first retaining feature (136, 138) and the second retaining feature (140, 142) of the second container-receiving portion (109; 308); and each of the first bottom panel (120; 320) and the second bottom panel (132; 332) is at least partially disposed between the top panel ((110; 310) and the top portion of the first container and second container; characterized in that at least one of the first outer side panel (112; 312) and the second outer side panel (124; 324) comprises a concave curved portion (178; 378) adjacent at least one of the first container-receiving portion (107; 307) and the second container-receiving portion (109; 308) and extending at least partially between the first container-receiving portion (107; 307) and the second container-receiving portion (109; 308).