Durable, plastic-based foam is lightweight and easy to hold. This white, closed-cell foam is lightweight and has a pleasant feel. The inside hole varies in size to accommodate different items. The 6.4mm ( Qr "") inside hole works great for most pencils and pens. Also available are 9.5 and 13mm ( Ei "") and ( Qw "") inside holes for larger pens and pencils, utensils, toothbrushes and certain combs and brushes. Plastizote Tubing will not absorb water and is household dishwasher safe. Cold water washing will prolong product life. Sold in 910mm (1 yd.) lengths. Dimensions: 32 x 91mm (1 1/4"" X 1 yd.), Hole Size: 6.4mm ( 1/4"").