PERFECT FOR LEVELING CARAVANS: Our small spirit level has a built-in cross-checker allowing you to level in 2 ways. Use to ensure that your caravan is aligned. LEVEL WITH 2 DURABLE ACRYLIC BOTTLES: This essential camping accessory is made of durable ABS plastic and PMMA (acrylic glass). SMALL, DURABLE AND UNBREAKABLE: Take these camping accessories with you wherever you go camping or traveling. These spirit levels measure 58*43*13mm. WITH MAGNETS ON THE BACK: For fitting out a camper van, this mini spirit level is ideal. The magnetic scale can also be glued or screwed. PACKAGE INCLUDES: 4 small spirit levels ideal as camper van equipment, camping accessories for caravans, home use for frames and any other items that need perfect alignment.