Cardboard tubes

These cardboard guard tubes are 5 3/4 inches long with a 5/16th ( 8mm) hole and have a 0.040 inch thick wall which, Chalcid Wasps cannot ovipost

Heavy Duty Cardboard Tube in 5 Sizes, per 10 Pcs.

Rivajam 125 Mason Bee House Cardboard Nest Tubes Refill Pack - Rivajam

Bright Creations 36 Brown Empty Paper Towel Rolls, Cardboard Tubes For Crafts, Diy Classroom Projects (1.6 X 5.9 In) : Target

Small Cardboard Tubes in 4 Sizes, Mini Paper Tubes, Tiny Cylinder

12 Pack Cardboard Tubes for Crafts, Brown Rolls for DIY Projects (1.75 x 10 In)

Cardboard Tube Stool : 4 Steps - Instructables

These cylindrical wonders are the perfect foundation for a wide range of artistic projects, with each tube measuring 9.9 inches long and 1.7 inches in diameter. Our rolls are made with sturdy and durable cardboard, making them excellent for building sculptures and constructing models for school projects or at-home DIY crafts.

24-Pack Cardboard Craft Roll Paper Tubes, Brown, 1.8 x 10 Inches

Cardboard Tubes in Length 200mm per 5st. 107mm 83mm 73mm - Sweden

6.5 x 4 Paper Tube - Kraft - Paper Tube Co.

Wire Drapery Hanger Tubes - Hangers

Custom Printed Paper Tube Hard Heavy Duty Cardboard Tubes for Tea Cardboard Tubes with Lids