Material: Cedar, oil varnish finish. Carved from solid wood. External dimensions approx. 15.5cm x 12cm x 10cm (height) Internal dimensions 1st tier (2 compartments) 5.6cm x 7.7cm x 4cm (depth) x 2 2nd tier (2 compartments) 5cm x 7cm x 1.9cm (depth) x 2 When combined, the 1st and 2nd tiers create a 4-tier structure. A belt holder is attached with an angle at the back to prevent the bait box from tilting forward. Caution! If you put liquid bait in the 2nd tier, it will leak. lol. There are some hollow lines, not cracks. Photos are shown from 14 onwards. There is no water leakage. This is the YouTube video from Heartful Fishing Club, who fish for gobies all year round. https://youtu.be/z2wyucT8-EU?si=q78E7pFtFSyGVaaN As this is a handmade item, we appreciate your understanding.