These grooves have a diameter of 30cm/11.81in and can withstand high weights (up to 10kg). The fabric has undergone multiple stitches for better stability. High quality, soft and durable plush 400g/m 2. The groove is rotatable and can easily attach to the scraping column. Designed specifically for most feline animals in the market. -Fluffy and concave, with a large diameter (approximately 30cm) -Durable metal frame and multiple seams, capable of withstanding high weights (up to 10 kilograms) -Covering high-quality, soft and durable plush (400g/m 2) Product details -Diameter of the recess: approx. 30cm/11.81in -For stem diameter up to 10cm/3.94in -Max. load capacity: 10kg/22ib -sturdy metal frame and multiple seams -Universal suitable for hole thickness up to M10 -high quality plush (400g/ m2) Scope of delivery -1x recess for self-assembly