The double massage ball with textured nubs helps relax tense muscles and supports recovery after physical exertion. Its compact size makes it easy to take with you in a bag or backpack. Made of durable material that does not absorb moisture and is easy to keep clean. Parameters Material: PVC Hardness: medium Length: 15 cm Diameter: 7 cm Safety information Following an analysis of the risks associated with using the Product and based on an analysis of the potential hazards associated with using the Product, pursuant to Article 9(7) of Regulation (EU) 2023/988 of the European Parliament and of the Council of 10 May 2023 on general product safety, amending Regulation (EU) No 1025/2012 and Directive (EU) 2020/1828 of the European Parliament and of the Council and repealing Directive 2001/95/EC of the European Parliament and of the Council and Council Directive 87/357/EEC, it is stated that the Product can be used safely and in the manner intended by the Manufacturer without instructions or safety information about the Product, due to the absence of obvious risks and hazards associated with using the Product.