Materials: PVC. This material may get harder in cold. A hair dryer could make it soft.

Small: 8"W x 7"H x 4"D or 21cm W x 18cm H x 10cm D

Medium: 10.5"W x 11.5"H x 4"D or 27cm W x 29cm H x 10cm D

Medium wide: 13"W x 10"H x 4"D or 32cm W x 25cm H x 10cm D

Large: 14"W x 15"H x 5"D or 36cm W x 38cm H x 13cm D

Extra Large: 17.5"W x 18"H x 6.5"D or 44cm W x 46cm H x 16cm D

P.S. You can personalize your own bag with a paint marker. pls refer to last 3 pics.